AI Browser Extensions: The New Blind Spot in SaaS Security

The report warns that AI browser extensions are becoming powerful enterprise agents with broad permissions and limited organizational visibility; recent disclosures involving Sider AI and MaxAI showed how a malicious website could abuse extension permissions to interact with other browser sessions and SaaS applications. It urges security teams to extend discovery, inventory, and governance to browser-based AI tools so organizations can assess permissions, exposure to business data, and integrate extensions into broader AI and SaaS risk management.