1. The Open Web Application Security Project: Vulnerability Category, http://www.owasp.org/index.php/Category:Vulnerability
2. The Open Web Application Security Project: SQL Injection Prevention Cheat Sheet, http://www.owasp.org/index.php/SQL_Injection_Prevention_Cheat_Sheet
3. Symantec Corporation: Five common Web application vulnerabilities, http://www.symantec.com/connect/articles/five-common-web-application-vulnerabilities
4. Chinotec Technologies Company: Paros, http://www.parosproxy.org
5. Acunetix Web Vulnerability Scanner (2008), http://www.acunetix.com/