We understand your concern regarding your account; however, VAC bans are issued by Steam. We have no further details regarding an account ban.
More information can be found here http://support.activision.com/articles/en_US/FAQ/Call-of-Duty-Ghosts-Online-Code -of-Conduct/?q=Call+of+Duty%3A+Ghosts+Security+&l=en_US&c=Game_Title%3AAll&fs=Se arch&pn=1
Please note: Ban appeals and/or discussions regarding bans are not permitted within the community forums. In accordance to the community guidelines https://community.callofduty.com/message/414449748#414449748 this post will be locked.