Links for testing website security & weak areas for penetration
https://www.kali.org/ Penetration Testing Redefined with the Kali Linux Distribution http://www.irongeek.com/i.php?page=videos/web-application-pen-testing-tutorials-with-mutillidae#determine-server-banners-using-netcat-nikto-and-w3af Web Application Pen-testing Tutorials With Mutillidae http://www.irongeek.com/i.php?page=mutillidae/mutillidae-deliberately-vulnerable-php-owasp-top-10 https://www.joedog.org Siege is an http load testing and benchmarking utility. http://www.cyberciti.biz/tips/linux-security.html http://www.openwall.com/john/ http://www.l0phtcrack.com/