December 10, 2012, 1:47 PM — The first half of 2012 was pretty bad -- from the embarrassing hack of a conversation between the FBI and Scotland Yard to a plethora of data breaches -- and the second half wasn't much better, with events including Symantec's antivirus update mess and periodic attacks from hactivists at Anonymous. For a complete look at security snafus from the first half of the year, go here. Read on for a look at the rest of the year.
CATCH UP: Worst security snafus of 2012 - so far
" Symantec inadvertently crippled a large number of Windows XP machines when it shipped customers a defective update to its antivirus software. The security firm acknowledged the problem that impacted users of its Endpoint Protection software.
" Dropbox disclosed that one of its employee's accounts was compromised, leading to a raft of spam that irritated users of the cloud-storage service. "We're sorry about this, and have put additional controls in place to help make sure it doesn't happen again," said Dropbox engineer Aditya Agarwal in a statement, who added that a hacker stole a password. The company also found that usernames and passwords had been stolen from other websites and were used to access a "small number of Dropbox accounts."
" A widespread spam attack linked to malware hit Twitter, with malicious tweets reading "It's you on photo?" and the like, and many of the links having a .ru domain, according to security firm Sophos. A Twitter spokesperson acknowledged the problem and said it was seeking to resolve it.
" Gamigo, the German gaming service, suffered a password breached in which more than 8 million online credentials of its users were dumped online.
" Engineering and math software firm Maplesoft reported its administrative database was breached, apparently due to the Zeus Trojan.
" Nvidia suspended its software developer forum after attackers compromised an unknown number of login passwords used by its 400,000-strong user community, though Nvidia insisted it was only a "small proportion."