New Browser-in-the-Browser phishing uses fake login popups to steal Microsoft 365 credentials
New Browser-in-the-Browser phishing uses fake login popups to steal Microsoft 365 credentials 2026-06-10 at 17:24 By Sinisa Markovic A new Browser-in-the-Browser (BitB) phishing campaign is targeting Microsoft 365 users with fake login popups designed to closely mimic legitimate browser authentication windows, according to Palo Alto Networks Unit 42. The attack relies on a fake browser […]