Your TikTok account may have been hacked, if you experience following suspicious behavior:

  • Change of your password, security email and associated phone number.
  • Change of your username or nickname.
  • Deleting / Posting videos without your permission
  • Sending messages that you never wrote

If you suspect that your account has been compromised, please follow the steps below to keep your account secure:

Change Password: In TikTok, hacker will be automatically kicked out of your account after changing the password.

Check account info if it is accurate: Select “Manage My Account” option under the TikTok settings, check if the associated account info is accurate

If you cannot change password by yourself, please contact TikTok via their In-app Feedback (App settings – Report a Problem).

You may follow the steps shown below to change the password and verify account info.

  1. Tap on for ‘Privacy & Settings’
  2. Go to ‘Manage My Account’
  3. Select password to change and other account info to verify

The following steps will keep your TikTok account safe.

  1. Tap on for ‘Privacy & Settings’
  2. Go to ‘Privacy & Safety’
  3. Set the given options separately


Source: http://support.tiktok.com/knowledge-base/hacked-account