One independent cybersecurity researcher said 'opportunistic effort' affected other extensions including artificial intelligence and virtual private network tools.

The attack began after a hacker successfully targeted a Cyberhaven employee via a phishing email that was sent to Chrome extension developers. The employee, believing the email was an official Google contact, clicked the email and input their login credentials on the phishing page.

As Google confirms multiple high-rated security vulnerabilities across multiple platforms—the advice is simple but urgent: update your Chrome browser now.