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The Top 20 Internet Security Flaws of 2004
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The vast majority of worms and other successful cyber attacks are made possible by vulnerabilities in a small number of common operating system services. Attackers are opportunistic. They take the easiest and most convenient route and exploit the best-known flaws with the most effective and widely available attack tools. They count on organizations not fixing the problems, and they often attack indiscriminately, scanning the Internet for any vulnerable systems. The easy and destructive spread of worms, such as Blaster, Slammer, and Code Red, can be traced directly to exploitation of unpatched vulnerabilities.
Four years ago, the SANS Institute and the National Infrastructure Protection Center (NIPC) at the FBI released a document summarizing the Ten Most Critical Internet Security Vulnerabilities. Thousands of organizations used that list, and the expanded Top-20 lists that followed one, two, and three years later, to prioritize their efforts so they could close the most dangerous holes first. The vulnerable services that led to worms like Blaster, Slammer, and Code Red, as well as NIMDA worms - are on that list. This SANS Top-20 2004 is actually two Top Ten lists: the ten most commonly exploited vulnerable services in Windows and the ten most commonly exploited vulnerable services in UNIX and Linux. Although there are thousands of security incidents each year affecting these operating systems, the overwhelming majority of successful attacks target one or more of these twenty vulnerable services. Top Vulnerabilities to Windows Systems - W1 Web Servers & Services
- W2 Workstation Service
- W3 Windows Remote Access Services
- W4 Microsoft SQL Server (MSSQL)
- W5 Windows Authentication
- W6 Web Browsers
- W7 File-Sharing Applications
- W8 LSAS Exposures
- W9 Mail Client
- W10 Instant Messaging
Top Vulnerabilities to UNIX Systems - U1 BIND Domain Name System
- U2 Web Server
- U3 Authentication
- U4 Version Control Systems
- U5 Mail Transport Service
- U6 Simple Network Management Protocol (SNMP)
- U7 Open Secure Sockets Layer (SSL)
- U8 Misconfiguration of Enterprise Services NIS/NFS
- U9 Databases
- U10 Kernel
For more information, including descriptions of the flaws, click here.
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Posted by: Agitator!!, October 8, 2004, 8:19 pm
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