In an era where discovering and rapidly mitigating security vulnerabilities is more important than ever before, the Microsoft Security Response Center (MSRC) is at the center of this work. MSRC focuses on investigating vulnerabilities, coordinating their disclosure, and releasing security updates to help protect customers and Microsoft from current and emerging cyberthreats related to security…

Starting in December 2024, leading up to some of the busiest travel days, Microsoft Threat Intelligence identified a phishing campaign that impersonates online travel agency Booking.com and targets organizations in the hospitality industry. The campaign uses a social engineering technique called ClickFix to deliver multiple credential-stealing malware in order to conduct financial fraud and theft….