Banned?

How du i know how i be banned Becouse my frind is banned i dosen't come in the server

can sumbudy tell me what happens when i be baned? thanks

You know if you are banned by clicking on the steam tab, then settings, then you will see VAC Status : In good standing or if you are banned it will say banned from some VAC secure game servers due to a cheating infraction.

ok, Thank you