Ashton Kutcher has vowed to track down and punish the individual who hacked into his Twitter account.

The Two and a Half Men star revealed the breach on the social networking site this evening (January 15), before discovering that the imposter had also used his Foursquare - inadvertently making his location available.

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"So apparently someone thinks they are clever hacking my account. #lame," he wrote, later adding: "Ok mr hacker, you only made one mistake. You hacked my Foursquare and I now know your address. Whoops.... This is gonna be fun."

The 33-year-old then posted an image from Foursquare of Hawthorne, California, warning the hacker: "I'm coming for you my friend.... "

Kutcher recently handed control of his Twitter account over to his team, following his controversial messages about the Penn State sex abuse scandal.

The ex-husband of Demi Moore said that he has learned to think before acting following the ill-received tweets.