Booking.com Breach: When the Vendor Chain Becomes the Attack Surface
The Booking.com breach highlights the critical importance of vendor chain security. Key lessons for engineers are discussed.
This week, Booking.com confirmed that unauthorized third parties accessed reservation data of certain customers, including names, addresses, and contact details. The breach was traced back to a third-party service within the booking workflow, highlighting ongoing vulnerabilities in vendor chains. This incident underscores the need for engineers to address issues like token sprawl and trust transitivity in their security assessments.