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
Thursday, December 6, 2007
Counter Hack Reloaded: A Step-by-Step Guide to Computer Attacks and Effective Defenses (2nd Edition) The Radia Perlman Series in Computer Networking
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.
By:
Article Directory: http://www.articledashboard.com
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.
By:
Article Directory: http://www.articledashboard.com
