FYI...
OWASP Top 10 Security Risks for 2010-
http://www.owasp.org/index.php/Top_10April 19, 2010 - "... The OWASP Top 10 Web Application Security Risks for 2010 are:
• A1: Injection
• A2: Cross-Site Scripting (XSS)
• A3: Broken Authentication and Session Management
• A4: Insecure Direct Object References
• A5: Cross-Site Request Forgery (CSRF)
• A6: Security Misconfiguration
• A7: Insecure Cryptographic Storage
• A8: Failure to Restrict URL Access
• A9: Insufficient Transport Layer Protection
• A10: Unvalidated Redirects and Forwards
... The OWASP Top Ten represents a broad consensus about what the most critical web application security flaws are. Project members include a variety of security experts from around the world who have shared their expertise to produce this list..."
(More detail at the URL above.) 