On September 28 and September 29 this week, a number of Microsoft customers worldwide were impacted by a cascading series of problems resulting in many being unable to access their Microsoft apps and ...

Microsoft says it has been enforcing multifactor authentication (MFA) for Azure Portal sign-ins across all tenants since March 2025. The company's Azure MFA enforcement efforts were announced in May ...

Researchers at Secureworks’ Counter Threat Unit (CTU) have warned of a new and potentially serious vulnerability affecting the pass-through authentication (PTA) hybrid identity authentication method ...

Microsoft has shed some light on the root cause behind yesterday's massive Azure authentication outage that affected multiple Microsoft services and blocked users from logging into their accounts.

Hybrid cloud identity and access management services add complexity and opportunity for attackers to network authentication processes, as recently demonstrated for Azure AD. It’s been common knowledge ...

The Windows Azure-based multifactor authentication service launched as a product last week. The Windows Azure Multi-Factor Authentication product, which went by the code word "Active Authentication" ...