Some 77,000 Steam accounts are hacked every month, according to developers of the gaming site Steam. Stolen virtual goods are often sold through a series of compromised accounts before being sold on to an innocent user. Steam Guard Mobile Authenticator is a feature of the Steam mobile app that generates a new random code every 30 seconds. Users with two-factor authentication will have their traded items held by Steam for up to 3 days before delivery hopefully giving enough time for account owners to spot suspicious activity and significantly slowing down hackers.”]