A user in the group named 'Giveaway agent : Mr Smith' is an alleged hacker who has joined 13 spiral knights groups to date with the intention of stealing steam credentials. He does this by approaching you in a private message and telling you that he recorded a video of you and him in gameplay. He will then link to a website that looks very much like the steam website, except its fake. There are giveaways like the lack of a Valve URL with security. There exists no videos, you have never met him, and all he wants you to do is to log onto the fake steam website (which is how he steals the credentials)

He has been reported, but please, if he approaches you, don't tell him anything!!