How Did a Stolen OAuth Token Bypass MFA in the $2M Supply Chain Attack?

How Did a Stolen OAuth Token Bypass MFA in the $2M Supply Chain Attack?

Why This Matters Now: The recent $2M supply chain attack on a major tech company highlighted a critical vulnerability in OAuth token management. Attackers managed to steal an OAuth token and bypass Multi-Factor Authentication (MFA), leading to unauthorized access to sensitive systems. If your organization relies on OAuth for authentication, understanding how this breach occurred is crucial to preventing similar incidents. 🚨 Breaking: Over $2M stolen in a supply chain attack due to compromised OAuth tokens. Review your OAuth configurations immediately. $2M+Stolen 100+Systems Compromised Timeline of the Incident December 2023 Initial breach of a third-party supplier's system. ...

May 29, 2026 · 5 min · 1023 words · IAMDevBox