UK researcher Jack Whitten found that a few easy back-and-forths with Facebook SMS updates on his mobile phone could let him reset passwords on others' accounts. Facebook gives him $20k for finding it. That deserves a 'Like'!
A serious security problem has been uncovered in Skype, which allows hackers to hijack accounts just by knowing users' email addresses.
Microsoft says it has fixed a serious vulnerability in Hotmail, that was allowing hackers to reset account passwords, locking out the account's real owner and giving attackers access to users' inboxes.