The use of bounty programs to track down security vulnerabilities in websites and software is increasingly common these days, and it's a tactic employed by Facebook. One bounty hunter -- or penetration tester -- hacked his (or her… they are anonymous) way into the social network and made the shocking discovery that someone had already installed a backdoor. Orange Tsai managed to compromise a Linux-based staff server and found there was already a piece of malware in place syphoning off usernames and passwords. These account details were being transmitted to a remote computer, and after revealing this to Facebook, Tsia… [Continue Reading]