All 1.8 billion Gmail users have been issued a 'red alert' over a scam that lets hackers gain access to accounts.

The attack uses AI to craft deepfake robocalls and malicious emails capable of bypassing security filters.

The combination works to convince victims their Gmail account has been compromised.

Users receive a phone call that suspicious activity was detected in their account and are told an email is soon to follow with steps to rectify the issue.

The email includes a fake website that looks identical to Google's, which prompts users to enter their login credentials.

Cybersecurity experts warned that the goal of this campaign 'is to convince the target to provide the criminals with the user's Gmail recovery code, Proxies For Youtube claiming it's needed to restore the account.