Originally posted by Gem.bic:

Stealing my cs:go inventory

Someone hacked into my profile and changed my profile picture, making me look like an idiot in front of my other friends. Then support wrote to me, it went to I don't know anymore, I just don't know what's going on.

Secure your account. All steps...

Scan for malware. https://www.malwarebytes.com/ or with whatever.

Deauthorize all devices https://steamhost.cn/twofactor/manage

Change your password on a secure device.

Generate new back up codes. https://steamhost.cn/twofactor/manage

Revoke the api key (this should be empty) https://steamhost.cn/steamcommunity_com/dev/apikey

Also read about Trade Protection for CS2 items.