Another CEO Hacked... It's Twitter CEO Jack Dorsey!

Twitter account of another high profile has been hacked!

This time, it's Twitter CEO Jack Dorsey.

OurMine claimed responsibility for the hack, which was spotted after the group managed to post some benign video clips.

The team also tweeted at 2:50 AM ET today saying "Hey, its OurMine,we are testing your security," with a link to their website that promotes and sells its own "services" for