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Friday, February 29, 2008
Privacy Policy
Monday, December 17, 2007
New Info About Spyware cleaner
In the age of computer when human work is entirely dependent on the Internet, we can't even step ahead without latest advancements. When computer is going to help us in every stream of our life, this is also true that even being a machine, it faces problems like Spyware and Adware. It ultimately affects us, and unknowingly we are sharing our privacy with the strangers. This entire problem not only makes our work suffer but also irritates us. Isn't it? If same, is the scenario with you then you must be aware of latest Spyware Cleaners available all over. Definitely these Spyware cleaner or rather we can call it as Spyware doctors will help us out.
A Spyware removal tool or Spyware cleaner can save our computer from number of ways like:
Protection From Pop Ups: Spyware may attack your system in various kinds: by disturbing, annoying and irritating pop-up ads. Every time you open web page, popup bombarded your screen with their useless information and pictures. You can also encounter with this problem when you are not surfing the Internet. From time to time, they emerge while you are surfing, but these pop ups advertisements are not connected to the websites you are browsing.
Effect On Your Homepage: It normally happens with you, when you detect that the properties of your home page setting is automatically changed in the internet browser and you attempt to correct it fails. This indicates the unwanted Spyware has captured your system. And after that whenever tries to surf or open some webpage, all unwanted Internet pages starts popping up. And as expected whenever you tend to change the settings, it slips back as you open the window of Internet browser. In that situation, you feel the need of any Spyware Adware remover, which helps you to get back in to the normal settings and also increase the speed of your PC.
The threat of Spyware programs is always on your pc until and unless you installed any Spyware cleaner on your computer. As the saying prevention is better than cure, don't think much and take precaution by installing any free anti-Spyware or free Spyware cleaner.
If you want to stop Spyware effects on your computer than go for any authentic anti-Spyware software like Spyware doctor or any other best recommended Spyware cleaner and make your system 100% from Spyware.
Author is admin and technical expert associated with development of computer security and performance enhancing software like Registry Cleaner, Anti Spyware, Window Cleaner, Anti Spam Filter. Visit: Home Page. Learn secrets for an efficient Anti Spyware. Visit PCMantra informative Resource Center to read more about products.
Article Source: Free Articles from http://www.ArticleSphere.com
Securing your computer from invaders
How do I secure my Microsoft Windows home computer? By implementing the following guideline you will be increasing your computers security integrity making it harder for intruders to break in:
1. Anti-Virus. After installing your operating system or purchasing a new computer the first priority is to immediately install an anti-virus package to protect you when you first connect to the internet. You should choose a package that will automatically update itself on a daily basis or make sure you configure your chosen package to update its virus definitions at a specific time when it is connected to the internet.
2. Patch The Operating System. Once you have your anti-virus installed you can connect to the internet and click on your Update Windows icon which will take you through the process of downloading and installing the latest system patches. Also, make sure that the downloading and installing of important updates is set to automatic.
3. Firewall Defence. Microsoft Windows has a built in basic Firewall but it is always advisable to install a third party Firewall as this will prevent any unrecognised outbound connections or buy a router which has a built in Firewall for the ultimate first line of defence protection.
4. Spyware Protection. Make sure that you have a memory resident Spyware application which monitors any changes that are being made to the registry or Internet Explorer. These tend not to be included in the free Spyware programs available and some of the freeware programs actually contain Spyware. By purchasing a brand named Spyware package you will get a more advanced software package which include the memory resident program and does not contain any Spyware. Configure the Spyware program to automatically download any new updates and allow it to scan your hard drive at least once a week to pick up any malicious code for you to remove.
5. Email Spam. Be sure to set up an email spam filter on your email account. This is a fairly simple process and there will usually be a help icon which will guide you through the process. Basically you will be blocking all email coming into your inbox until you apply a rule that allows only emails that you define as being safe of from know contacts, anything else is sent to the junkbox. You will have to be careful as if you are awaiting an email from a new contact, the email will be sent to your junkbox. You will have to find that email and add it to your safe contacts list and in the future it will arrive in your inbox. DO NOT OPEN ANY SPAMMED EMAILS OR ATTACHMENTS AS THIS WILL INDICATE THAT YOUR EMAIL ADDRES IS VALID AND / OR IT CAN CONTAIN A VIRUS.
6. Wireless Security. If you have a wireless home network then make sure you have wireless encryption enabled preventing any unauthorised connections to your network or internet.
7. Downloading Software or Music. If you download software applications using a Peer to Peer networking program like Limewire or Kazaa then be careful as some of the files can contain viruses or spyware.
8. Backup, Backup, Backup! Purchase an external hard drive as this can be used to backup all your music, video and picture files, just in case your PC becomes infected with a virus and crashes the operating system and you need to re-install Windows. You can the view all of you files without loosing them.
9. Encryption. If you keep sensitive data on your PC then applying encryption to these files makes it hard for someone to view the contents.
10. Passwords. Try to use a password which is not a commonly used name but one that is unique, either by adding uppercase characters and numbers to the word, which strengthens the passwords encryption.
Maxx is a an IT Technician for a modern state of the art Secondary School supporting many users in various areas of IT and specialising in Video Conferencing home and abroad. For more information about anti virus, spyware, computer security, PC hardware and internet security programs then visit www.PC-Dome.co.uk
Saturday, December 8, 2007
Hacking Exposed: Network Security Secrets & Solutions (Hacking Exposed)
Whenever Hollywood does a movie in which someone breaks into a computer, the hacking scenes are completely laughable to anyone who knows the first thing about computer security. Think of Hacking Exposed: Network Security Secrets and Solutions as a computer thriller for people with a clue. This is a technical book, certainly--URLs, procedures, and bits of advice take the place of plot and characters--but the information about hackers' tools will leave you wondering exactly how vulnerable your system is. More to the point, the explicit instructions for stealing supposedly secure information (a Windows NT machine's Security Access Manager file, for example) will leave you absolutely certain that your computers have gaping holes in their armor.
The book describes the security characteristics of several computer-industry pillars, including Windows NT, Unix, Novell NetWare, and certain firewalls. It also explains what sorts of attacks against these systems are feasible, which are popular, and what tools exist to make them easier. The authors walk the reader through numerous attacks, explaining exactly what attackers want, how they defeat the relevant security features, and what they do once they've achieved their goal. In what might be called after-action reports, countermeasures that can help steer bad buys toward less-well-defended prey are explained. If you run Linux, you may want to supplement the Unix information in this book with Maximum Linux Security, another practical-minded and very popular security text. --David Wall
Find more here
Source : http://securityfocus.com
Windows 2000 (Hacking Exposed)
With a revised Microsoft operating system comes a revised set of security holes and means of attacking them. Hacking Exposed: Windows 2000 presents a snapshot of known Windows 2000 security weaknesses and the tools that have been developed to exploit them, in turn enabling system operators to mount better defenses. This book builds on and contributes to the small but respected Hacking Exposed series, giving network administrators a detailed picture of the threats their Windows 2000 machines face--and all the motivation they should need to install the latest patches right away. Which points out a characteristic of this book: Many of the problems it catalogs are known bugs that shouldn't be a problem if you've installed the latest fixes and have good password and privilege policies. The point: Even with this book on your shelf, keep an eye on the security sites for news of emerging problems.
Joel Scambray and Stuart McClure have chosen to organize their book according to the steps involved in system compromise (identifying a target, gaining access and privileges, using or destroying the system, and so on) as well as by area of vulnerability. In addition to well-written passages that explain general hacking strategies and concepts, the authors devote sections to software (meaning native Windows commands, tools that are part of the Windows NT/2000 Resource Kit, as well as external software). Sometimes, they'll just offer a description, but most of the time, the authors present a step-by-step guide to carrying out the exploit at hand. This is a valuable book that every Windows 2000 expert should read closely. --David Wall
Find more here
Hacking Exposed Windows: Microsoft Windows Security Secrets and Solutions, Third Edition (Hacking Exposed)
The latest Windows security attack and defense strategies
"Securing Windows begins with reading this book." --James Costello (CISSP) IT Security Specialist, Honeywell
Meet the challenges of Windows security with the exclusive Hacking Exposed "attack-countermeasure" approach. Learn how real-world malicious hackers conduct reconnaissance of targets and then exploit common misconfigurations and software flaws on both clients and servers. See leading-edge exploitation techniques demonstrated, and learn how the latest countermeasures in Windows XP, Vista, and Server 2003/2008 can mitigate these attacks. Get practical advice based on the authors' and contributors' many years as security professionals hired to break into the world's largest IT infrastructures. Dramatically improve the security of Microsoft technology deployments of all sizes when you learn to:
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Establish business relevance and context for security by highlighting real-world risks
* Take a tour of the Windows security architecture from the hacker's perspective, exposing old and new vulnerabilities that can easily be avoided
* Understand how hackers use reconnaissance techniques such as footprinting, scanning, banner grabbing, DNS queries, and Google searches to locate vulnerable Windows systems
* Learn how information is extracted anonymously from Windows using simple NetBIOS, SMB, MSRPC, SNMP, and Active Directory enumeration techniques
* Prevent the latest remote network exploits such as password grinding via WMI and Terminal Server, passive Kerberos logon sniffing, rogue server/man-in-the-middle attacks, and cracking vulnerable services
* See up close how professional hackers reverse engineer and develop new Windows exploits
* Identify and eliminate rootkits, malware, and stealth software
* Fortify SQL Server against external and insider attacks
* Harden your clients and users against the latest e-mail phishing, spyware, adware, and Internet Explorer threats
* Deploy and configure the latest Windows security countermeasures, including BitLocker, Integrity Levels, User Account Control, the updated Windows Firewall, Group Policy, Vista Service Refactoring/Hardening, SafeSEH, GS, DEP, Patchguard, and Address Space Layout Randomization
Find more here
Windows Server 2003 (Hacking Exposed)
"The most demystifying source of information since Toto exposed the Wizard. Hacking Exposed Windows Server 2003 eliminates the mystique and levels the playing field by revealing the science behind the curtain." --Greg Wood, General Manager, Information Security, Microsoft Corporation
From the best-selling co-authors of the world-renowned book, Hacking Exposed, comes Hacking Exposed Windows Server 2003. You’ll learn, step-by-step, how to defend against the latest attacks by understanding how intruders enter and pilfer compromised networks and weaknesses. All the new security features and exploits in Windows Server 2003 are covered.
Find more here
Source : http://securityfocus.com
Hacking Exposed [BARGAIN PRICE]
A lot of computer-security textbooks approach the subject from a defensive point of view. "Do this, and probably you'll survive a particular kind of attack," they say. In refreshing contrast, Hacking Exposed, Second Edition talks about security from an offensive angle. A Jane's-like catalog of the weaponry that black-hat hackers use is laid out in full. Readers see what programs are out there, get a rundown on what the programs can do, and benefit from detailed explanations of concepts (such as wardialing and rootkits) that most system administrators kind of understand, but perhaps not in detail. The book also walks through how to use the more powerful and popular hacker software, including L0phtCrack. This new edition has been updated extensively, largely with the results of "honeypot" exercises (in which attacks on sacrificial machines are monitored) and Windows 2000 public security trials. There's a lot of new stuff on e-mail worms, distributed denial-of-service (DDoS) attacks, and attacks that involve routing protocols.
The result of all of this familiarity with bad-guy tools is a leg up on defending against them. Hacking Exposed wastes no time in explaining how to implement the countermeasures--where they exist--that will render known attacks ineffective. Taking on the major network operating systems and network devices one at a time, the authors tell you exactly what Unix configuration files to alter, what Windows NT Registry keys to change, and what settings to make in NetWare. They spare no criticism of products with which they aren't impressed, and don't hesitate to point out inherent, uncorrectable security weaknesses where they find them. This book is no mere rehashing of generally accepted security practices. It and its companion Web site are the best way for all of you network administrators to know thine enemies. --David Wall
Find more here
Configuring Netscreen Firewalls [ILLUSTRATED]
The first book on the market covering the #2 best-selling firewall appliances in the world from NetScreen. This book continues Syngress' history from ISA Server to Check Point to Cisco Pix of being first to market with best-selling firewall books for security professionals.
Configuring NetScreen Firewalls is the first book to deliver an in-depth look at the NetScreen firewall product line. It covers all of the aspects of the NetScreen product line from the SOHO devices to the Enterprise NetScreen firewalls. Also covered are advanced troubleshooting techniques and the NetScreen Security Manager. This book offers novice users a complete opportunity to learn the NetScreen firewall appliance. Advanced users will find it a rich technical resource.
* NetScreen is the #2 best-selling firewall appliance in the world (behind only Cisco PIX) and there are no competing books.
* Covers the materials found on the NetScreen NCSA 5.0 exam.
* Syngress firewall books are consistent best-sellers with market-leading books on ISA Server, Cisco PIX, and Check Point Next Generation.
Find more here
Thursday, December 6, 2007
Security Power Tools [ILLUSTRATED]
What if you could sit down with some of the most talented security engineers in the world and ask any network security question you wanted? Security Power Tools lets you do exactly that! Members of Juniper Networks' Security Engineering team and a few guest experts reveal how to use, tweak, and push the most popular network security applications, utilities, and tools available using Windows, Linux, Mac OS X, and Unix platforms.
Designed to be browsed, Security Power Tools offers you multiple approaches to network security via 23 cross-referenced chapters that review the best security tools on the planet for both black hat techniques and white hat defense tactics. It's a must-have reference for network administrators, engineers and consultants with tips, tricks, and how-to advice for an assortment of freeware and commercial tools, ranging from intermediate level command-line operations to advanced programming of self-hiding exploits.
Security Power Tools details best practices for:
* Reconnaissance -- including tools for network scanning such as nmap; vulnerability scanning tools for Windows and Linux; LAN reconnaissance; tools to help with wireless reconnaissance; and custom packet generation
* Penetration -- such as the Metasploit framework for automated penetration of remote computers; tools to find wireless networks; exploitation framework applications; and tricks and tools to manipulate shellcodes
* Control -- including the configuration of several tools for use as backdoors; and a review of known rootkits for Windows and Linux
* Defense -- including host-based firewalls; host hardening for Windows and Linux networks; communication security with ssh; email security and anti-malware; and device security testing
* Monitoring -- such as tools to capture, and analyze packets; network monitoring with Honeyd and snort; and host monitoring of production servers for file changes
* Discovery -- including The Forensic Toolkit, SysInternals and other popular forensic tools; application fuzzer and fuzzing techniques; and the art of binary reverse engineering using tools like Interactive Disassembler and Ollydbg
A practical and timely network security ethics chapter written by a Stanford University professor of law completes the suite of topics and makes this book a goldmine of security information. Save yourself a ton of headaches and be prepared for any network security dilemma with Security Power Tools.
Find more here
Hacking Exposed Web Applications, 2nd Ed. (Hacking Exposed)
Implement bulletproof e-business security the proven Hacking Exposed way
Defend against the latest Web-based attacks by looking at your Web applications through the eyes of a malicious intruder. Fully revised and updated to cover the latest Web exploitation techniques, Hacking Exposed Web Applications, Second Edition shows you, step-by-step, how cyber-criminals target vulnerable sites, gain access, steal critical data, and execute devastating attacks. All of the cutting-edge threats and vulnerabilities are covered in full detail alongside real-world examples, case studies, and battle-tested countermeasures from the authors' experiences as gray hat security professionals.
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Find out how hackers use infrastructure and application profiling to perform reconnaissance and enter vulnerable systems
*
Get details on exploits, evasion techniques, and countermeasures for the most popular Web platforms, including IIS, Apache, PHP, and ASP.NET
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Learn the strengths and weaknesses of common Web authentication mechanisms, including password-based, multifactor, and single sign-on mechanisms like Passport
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See how to excise the heart of any Web application's access controls through advanced session analysis, hijacking, and fixation techniques
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Find and fix input validation flaws, including cross-site scripting (XSS), SQL injection, HTTP response splitting, encoding, and special character abuse
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Get an in-depth presentation of the newest SQL injection techniques, including blind attacks, advanced exploitation through subqueries, Oracle exploits, and improved countermeasures
*
Learn about the latest XML Web Services hacks, Web management attacks, and DDoS attacks, including click fraud
*
Tour Firefox and IE exploits, as well as the newest socially-driven client attacks like phishing and adware
Find more here
Exploiting Online Games: Cheating Massively Distributed Systems (Addison-Wesley Software Security Series)
"Imagine trying to play defense in football without ever studying offense. You would not know when a run was coming, how to defend pass patterns, nor when to blitz. In computer systems, as in football, a defender must be able to think like an attacker. I say it in my class every semester, you don't want to be the last person to attack your own system--you should be the first.
"The world is quickly going online. While I caution against online voting, it is clear that online gaming is taking the Internet by storm. In our new age where virtual items carry real dollar value, and fortunes are won and lost over items that do not really exist, the new threats to the intrepid gamer are all too real. To protect against these hazards, you must understand them, and this groundbreaking book is the only comprehensive source of information on how to exploit computer games. Every White Hat should read it. It's their only hope of staying only one step behind the bad guys."
--Aviel D. Rubin, Ph.D.
Professor, Computer Science
Technical Director, Information Security Institute
Johns Hopkins University
"Everyone's talking about virtual worlds. But no one's talking about virtual-world security. Greg Hoglund and Gary McGraw are the perfect pair to show just how vulnerable these online games can be."
--Cade Metz
Senior Editor
PC Magazine
"If we're going to improve our security practices, frank discussions like the ones in this book are the only way forward. Or as the authors of this book might say, when you're facing off against Heinous Demons of Insecurity, you need experienced companions, not to mention a Vorpal Sword of Security Knowledge."
--Edward W. Felten, Ph.D.
Professor of Computer Science and Public Affairs
Director, Center for Information Technology Policy
Princeton University
"Historically, games have been used by warfighters to develop new capabilities and to hone existing skills--especially in the Air Force. The authors turn this simple concept on itself, making games themselves the subject and target of the 'hacking game,' and along the way creating a masterly publication that is as meaningful to the gamer as it is to the serious security system professional.
"Massively distributed systems will define the software field of play for at least the next quarter century. Understanding how they work is important, but understanding how they can be manipulated is essential for the security professional. This book provides the cornerstone for that knowledge."
--Daniel McGarvey
Chief, Information Protection Directorate
United States Air Force
"Like a lot of kids, Gary and I came to computing (and later to computer security) through games. At first, we were fascinated with playing games on our Apple ][s, but then became bored with the few games we could afford. We tried copying each other's games, but ran up against copy-protection schemes. So we set out to understand those schemes and how they could be defeated. Pretty quickly, we realized that it was a lot more fun to disassemble and work around the protections in a game than it was to play it.
"With the thriving economies of today's online games, people not only have the classic hacker's motivation to understand and bypass the security of games, but also the criminal motivation of cold, hard cash. That's a combination that's hard to stop. The first step, taken by this book, is revealing the techniques that are being used today."
--Greg Morrisett, Ph.D.
Allen B. Cutting Professor of Computer Science
School of Engineering and Applied Sciences
Harvard University
"If you're playing online games today and you don't understand security, you're at a real disadvantage. If you're designing the massive distributed systems of tomorrow and you don't learn from games, you're just plain sunk."
--Brian Chess, Ph.D.
Founder/Chief Scientist, Fortify Software
Coauthor of Secure Programming with Static Analysis
"This book offers up a fascinating tour of the battle for software security on a whole new front: attacking an online game. Newcomers will find it incredibly eye opening and even veterans of the field will enjoy some of the same old programming mistakes given brilliant new light in a way that only massively-multiplayer-supermega-blow-em-up games can deliver. w00t!"
--Pravir Chandra
Principal Consultant, Cigital
Coauthor of Network Security with OpenSSL
If you are a gamer, a game developer, a software security professional, or an interested bystander, this book exposes the inner workings of online-game security for all to see.
From the authors of the best-selling Exploiting Software, Exploiting Online Games takes a frank look at controversial security issues surrounding MMORPGs, such as World of Warcraft™ and Second Life®. This no-holds-barred book comes fully loaded with code examples, debuggers, bots, and hacks.
This book covers
* Why online games are a harbinger of software security issues to come
* How millions of gamers have created billion-dollar virtual economies
* How game companies invade personal privacy
* Why some gamers cheat
* Techniques for breaking online game security
* How to build a bot to play a game for you
* Methods for total conversion and advanced mods
Written by the world's foremost software security experts, this book takes a close look at security problems associated with advanced, massively distributed software. With hundreds of thousands of interacting users, today's online games are a bellwether of modern software. The kinds of attack and defense techniques described in Exploiting Online Games are tomorrow's security techniques on display today.
Find more here
Source : http://securityfocus.com
Google Hacking for Penetration Testers, Volume 1 [ILLUSTRATED]
Google, the most popular search engine worldwide, provides web surfers with an easy-to-use guide to the Internet, with web and image searches, language translation, and a range of features that make web navigation simple enough for even the novice user. What many users dont realize is that the deceptively simple components that make Google so easy to use are the same features that generously unlock security flaws for the malicious hacker. Vulnerabilities in website security can be discovered through Google hacking, techniques applied to the search engine by computer criminals, identity thieves, and even terrorists to uncover secure information. This book beats Google hackers to the punch, equipping web administrators with penetration testing applications to ensure their site is invulnerable to a hackers search.
Penetration Testing with Google Hacks explores the explosive growth of a technique known as "Google Hacking." When the modern security landscape includes such heady topics as "blind SQL injection" and "integer overflows," it's refreshing to see such a deceptively simple tool bent to achieve such amazing results; this is hacking in the purest sense of the word. Readers will learn how to torque Google to detect SQL injection points and login portals, execute port scans and CGI scans, fingerprint web servers, locate incredible information caches such as firewall and IDS logs, password databases, SQL dumps and much more - all without sending a single packet to the target! Borrowing the techniques pioneered by malicious "Google hackers," this talk aims to show security practitioners how to properly protect clients from this often overlooked and dangerous form of information leakage.
*First book about Google targeting IT professionals and security leaks through web browsing.
*Author Johnny Long, the authority on Google hacking, will be speaking about "Google Hacking" at the Black
Hat 2004 Briefing. His presentation on penetrating security flaws with Google is expected to create a lot of buzz and exposure for the topic.
*Johnny Long's Web site hosts the largest repository of Google security exposures and is the most popular destination for security professionals who want to learn about the dark side of Google.
Find more here
Extrusion Detection: Security Monitoring for Internal Intrusions
Overcome Your Fastest-Growing Security Problem: Internal, Client-Based Attacks
Today's most devastating security attacks are launched from within the company, by intruders who have compromised your users' Web browsers, e-mail and chat clients, and other Internet-connected software. Hardening your network perimeter won't solve this problem. You must systematically protect client software and monitor the traffic it generates.
Extrusion Detection is a comprehensive guide to preventing, detecting, and mitigating security breaches from the inside out. Top security consultant Richard Bejtlich offers clear, easy-to-understand explanations of today's client-based threats and effective, step-by-step solutions, demonstrated against real traffic and data. You will learn how to assess threats from internal clients, instrument networks to detect anomalies in outgoing traffic, architect networks to resist internal attacks, and respond effectively when attacks occur.
Bejtlich's The Tao of Network Security Monitoring earned acclaim as the definitive guide to overcoming external threats. Now, in Extrusion Detection, he brings the same level of insight to defending against today's rapidly emerging internal threats. Whether you're an architect, analyst, engineer, administrator, or IT manager, you face a new generation of security risks. Get this book and protect yourself.
Coverage includes
* Architecting defensible networks with pervasive awareness: theory, techniques, and tools
* Defending against malicious sites, Internet Explorer exploitations, bots, Trojans, worms, and more
* Dissecting session and full-content data to reveal unauthorized activity
* Implementing effective Layer 3 network access control
* Responding to internal attacks, including step-by-step network forensics
* Assessing your network's current ability to resist internal attacks
* Setting reasonable corporate access policies
* Detailed case studies, including the discovery of internal and IRC-based bot nets
* Advanced extrusion detection: from data collection to host and vulnerability enumeration
Find more here
The Art of Software Security Assessment: Identifying and Preventing Software Vulnerabilities
This is one of the most detailed, sophisticated, and useful guides to software security auditing ever written. The authors are leading security consultants and researchers who have personally uncovered vulnerabilities in applications ranging from sendmail to Microsoft Exchange, Check Point VPN to Internet Explorer. Drawing on their extraordinary experience, they introduce a start-to-finish methodology for “ripping apart” applications to reveal even the most subtle and well-hidden security flaws.
The Art of Software Security Assessment covers the full spectrum of software vulnerabilities in both UNIX/Linux and Windows environments. It demonstrates how to audit security in applications of all sizes and functions, including network and Web software. Moreover, it teaches using extensive examples of real code drawn from past flaws in many of the industry's highest-profile applications.
Coverage includes
• Code auditing: theory, practice, proven methodologies, and secrets of the trade
• Bridging the gap between secure software design and post-implementation review
• Performing architectural assessment: design review, threat modeling, and operational review
• Identifying vulnerabilities related to memory management, data types, and malformed data
• UNIX/Linux assessment: privileges, files, and processes
• Windows-specific issues, including objects and the filesystem
• Auditing interprocess communication, synchronization, and state
• Evaluating network software: IP stacks, firewalls, and common application protocols
• Auditing Web applications and technologies
Find more here
Counter Hack Reloaded: A Step-by-Step Guide to Computer Attacks and Effective Defenses (2nd Edition) The Radia Perlman Series in Computer Networking
casual among them--seek out softer targets. Counter Hack aims to provide its readers with enough knowledge to toughen their Unix and Microsoft Windows systems against attacks in general, and with specific knowledge of the more common sorts of attacks that can be carried out by relatively unskilled "script kiddies." The approach author Ed Skoudis has chosen is effective, in that his readers accumulate the knowledge they need and generally enjoy the process.
The best part of this book may be two chapters, one each for Windows and Unix, that explain the essential security terms, conventions, procedures, and behaviors of each operating system. This is the sort of information that readers need--a Unix person getting into Windows administration for the first time needs an introduction to the Microsoft security scheme, and vice versa. A third chapter explains TCP/IP with focus on security. With that groundwork in place, Skoudis explains how (with emphasis on tools) attackers look for vulnerabilities in systems, gain access, and maintain their access for periods of time without being discovered. You'll probably want to search online resources for more specific information--Skoudis refers to several--but this book by itself will provide you with the vocabulary and foundation knowledge you need to get the details you want. --David Wall
Find more here
Professional Assembly Language (Programmer to Programmer) (Paperback)
Every high level language program (such as C and C++) is converted by a compiler into assembly language before it is linked into an executable program. This book shows you how to view the assembly language code generated by the compiler and understand how it is created. With that knowledge you can tweak the assembly language code generated by the compiler or create your own assembly language routines. This code-intensive guide is divided into three sections - basics of the assembly language program development environment, assembly language programming, and advanced assembly language techniques. It shows how to decipher the compiler-generated assembly language code, and how to make functions in your programs faster and more efficient to increase the performance of an application. What you will learn from this book: -The benefits of examining the assembly language code generated from your high-level language program -How to create stand-alone assembly language programs for the Linux Pentium environment -Ways to incorporate advanced functions and libraries in assembly language programs -How to incorporate assembly language routines in your C and C++ applications -Ways to use Linux system calls in your assembly language programs -How to utilize Pentium MMX and SSE functions in your applications
Find more here
Monday, November 19, 2007
How to monitoring security network
eBay, iTunes, PayPal – these are just a few of the places that most of us enter our credit card and personal information every day. Since the internet became an integral part of each of our lives, the treat of identity theft is a daily reality for all but the most paranoid of internet users.
While we assume that the sites listed above are secure, how many of us have in fact checked to see to what lengths these companies go to keep their user’s information safe from hackers? I’m sure very few.
Because we can’t count on our registrants to be careful when entering information onto the registration website, as event planners, we must make sure that we do the research to ensure that our registrant’s information is safe with our online registration company. We want to send potential registrants to a site that portrays our event in a positive light. This means a website designed to our specifications, with professional quality and ease of use. But, most importantly, it means knowing that all information put online for our event will be safe from identity thieves.
One of the most important aspects of a strong security system is frequent testing and monitoring of those systems. To receive the highest rank of Level 1 PCI compliance from Visa, companies must invest a large number of resources to ensure that they are as secure as major banks and credit card companies. As of yet, very few registration companies hold this ranking, but wouldn’t it be nice to know that your registration company values your registrants’ security enough to make it one of their highest priorities?
Constant monitoring and testing of security is a vital part of maintain the highest possible level of security. Some methods of monitoring include an independent daily audit for over 3,000 security checks, (exceeding the highest government standards including the FBI “Top twenty security vulnerabilities” test) and separate hourly, daily, weekly, and monthly backups that are archived for at least two years.
Other important factors to look for are the TRUSTe and Thawte logos. These companies monitor the strength and maintenance of privacy policies and information encryption. According to the website, to be certified by TRUSTe, companies must have their privacy policy open for review by TRUSTe, post notice and disclosure of collection and use practices of personally identifiable information, and give users choice and consent over how their information is used and shared.
While TRUSTe ensures that companies hold to their privacy policies and never use information without the user’s consent, Thawte verifies SSL (Secure Socket Layer) encryption, meaning that the encryption of credit card information entered on the site if of the highest level possible. However, to be verified by Thawte, companies must meet stringent checklist of qualifications including both authentication and verification processes. For the authentication process, Thawte must confirm that the company registration details are entirely true and that the domain is in fact owned by the requesting party. To complete the verification process, Thawte uses a third party telephone listing to confirm that the authorized person requesting a certificate is employed by requesting party.
These are just a couple of the certifications to look for when choosing your online event registration system. When you send your attendees to the registration site, you want to be 100% sure that their data will be 100% safe so they won’t have to research the security, but if they do, you can be confident that they’ll like what they find.
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Source : http://securityfocus.com
Sunday, November 4, 2007
Computer security and other
Computer security has an important role in one's life of computers. This subject should not be taken lightly. Everytime you go online your system is tested. Below I have given you some good tips for your computer life. 1. New Computer When buying a new computer, it is important for you to turn the firewall on. The firewall will not protect you all the way but somewhat. Its better than nothing. 2. Email Attachments in unknown emails are usually a threat. Never open any attachment from an unknown email. Sometimes, the email subject said something about you getting a greeting card and ask you to click the link inside that email. These emails can contain anything from viruses or spyware. If the link inside that email is something like an ip address (http://aaa.bbb.x.y/) instead of a domain name, never click it. 3. Update Your Virus Definition Installing an antivirus will not be enough. Constant update is needed so you can receive new virus definition. New threats are being created everyday and updating your virus definition on regular basis is crucial to detect newer threats. 4. Don't Surf Suspicious Sites Opening a porn site will also increase your risk of getting a virus. Application such as cracks and patches from sites will also increase your risk. Using these tips will decrease the risk of getting your private information stolen by an outsider. However, these tips are not enough to protect your computer as this is only a basic computer security tips. Learn more. http://computertips-rick.blogspot.com/
More articles from this pro: http://www.ArticlePros.com/author.php?Rick Dog
Network storage devices
The need for storage devices is growing by leaps and bounds. In addition there are a number of options available depending on specific storage requirements. There are numerous options available with SAN. The two most popular variants are Fibre channel (FC) and Internet Protocol (IP). In a FC SAN the disc arrays are connected using fibre channel connections. An FC switch acts as the central point of control for data flowing through the SAN. Hence, FC or IP depends upon the application. If the data is critical, Fibre Channel is a better option. A low cost SAN is an integrated package that includes an FC switch, high-performance software and disc storage that can be hooked up to two servers.
An IP SAN uses the internet small Computer System Interface iSCSI protocol and Gigabit Ethernet over Cat 6 cabling to hook up disc arrays over a Transmission control protocol / Internet protocol (TCP/IP) network. These SANs provide native-level block access and data transfer and are similar in this respect to traditional FC SANs. Essentially a customer data centre requires various transport technologies that enable long distance connectivity in a cost effective manner. Fiber Channel is better for high speed connectivity and applications such as ERP and databases. For a small organization IP SAN would suffice. A judicious mix of both IP and Fiber Channel is required to balance cost and efficiency of storage systems and devices.
NAS and SAN
NAS is a data storage mechanism where the storage devices are connected directly to the network. These devices are assigned an IP address and then can be accessed by clients via a server that acts as a gateway to the data or in some cases allows the device to be accessed directly by the clients without any intermediary. Easy manageability is a important feature of NAS. It is focused on simple file serving needs. NAS and SAN are complimentary to each other. The trend is towards hybrid solutions. SAN can be used as a back end and NAS as the front end ie having a NAS header in a SAN environment.
Large organizations with enterprise networks and a wide geographical spread are opting for SAN whereas small and medium businesses find NAS a better option. In SAN there is a movement towards IP because one can use the same protocol as the network leading to a lesser cost of implementation.
Growth in chassis –based SAN switches is faster than in the fabric switch segment because of SAN and storage consolidation and linking of first generation SAN islands. Also ,the need to implement SAN extension solutions for data replication and business continuity is driving the need for intelligent multilayer SAN switches and related products.
Ultimately the choice between San or NAS depends on a number of factors. The cost of implementation, ease of maintenance, fault tolerance and security are some of the aspects which have to be considered while adapting a particular storage system. It is also possible to have a hybrid system with both SAN and NAS being used simultaneously. . One fit all is no longer feasible and the trend is towards a mixed bag of options.
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