Facebook Top 1 Hacker:
https://www.facebook.com/whitehat/thanks/
Google Top 10 Hackers List (0x0A):
http://www.google.com/about/appsecurity/hall-of-fame/
Google Security Sustained Support List
http://www.google.com/about/appsecurity/hall-of-fame/archive/
Twitter Security (Whitehats Thank you list)
http://twitter.com/about/security
PayPal Patches Critical Security Vulnerabilities:
http://www.eweek.com/c/a/Security/PayPal-Patches-Critical-Security-Vulnerabilities-807636/
Gaining Administrative Privileges on any Blogger.com Account, 1337$ (Google Reward Program)
http://www.nirgoldshlager.com/
Dropbox Special Thanks (Whitehats list)
https://www.dropbox.com/special_thanks
Gmail Account Hijacking (Cross Site Scripting)
http://www.eweek.com/article2/0,1759,1751689,00.asp
Yahoo Mail Stored Content XSS (Bypass Yahoo Mail XSS Filter):
http://www.pcworld.com/article/id,126788-c,yahoo/article.html
eBay Security Vulnerabilities Found by Researcher (Blind SQL Injection, XSS, CSRF Change Password):
http://www.eweek.com/c/a/Security/Researcher-Uncovers-eBay-Security-Vulnerabilities-684970/
Twitter, Google Cross Site Scripting:
http://www.eweek.com/c/a/Security/Researcher-Uncovers-Twitter-Google-Calendar-Security-Vulnerabilities-530764/
Check Point VPN-1 Integrity Clientless Security Lets Users Bypass the Scanning Function:
http://securitytracker.com/alerts/2007/Jan/1017559.html
Facebook, Twitter, MySpace Plug Security Holes (XSS, CSRF):
http://www.eweek.com/c/a/Security/Facebook-Twitter-MySpace-Plug-Security-Holes-492743/
Hundreds of Banking Sites Vulnerable to RSA Security Flaw, Researcher Finds (Flash XSS):
http://www.eweek.com/c/a/Security/Hundreds-of-Banking-Sites-Vulnerable-to-RSA-Security-Flaw-Researcher-Finds-361535/
Amazon purges account hijacking (Amazon SSL XSS):
http://www.theregister.co.uk/2010/04/20/amazon_website_treat/
etc.....
