FTC officially closes Twitter security investigation

Accused AT&T hacker makes bail

updatedHacker writes easy-to-use Mac Trojan

Adobe warns of Shockwave bug

Facebook sues over free gift card, 'dislike' button scams

Report: AOL may join in bid for Yahoo

Facebook's new groups feature worries some

California bans malicious online impersonation

FBI investigating 'Here you have' worm