If your Activision/Call of Duty account ever gets accessed by someone you don't know or if you suspect your account credentials have been exposed, you should:
- Change your Activision/Call of Duty account password immediately following the strong password guidelines above.
- Unlink the accounts you have linked to your Activision/Call of Duty account.
- Change the passwords for the accounts you've unlinked.
- Relink your accounts to your Activision/Call of Duty account.
- Enable two-factor authentication to secure your account.