From late April 2026 to mid-June 2026, Microsoft Defender Experts observed increased ACR Stealer activity across customer ...

AuthNContext and AMR, We Remember What MFA You Provided Last Summer! | Read more hacking news on The Hacker News ...

Microsoft Threat Intelligence identified threat actor activity with overlapping tradecraft commonly associated with ...

Patching is not enough: applications embedding the insecure library will need to be rebuilt, and affected tokens and cookies expired. Developers are advised to check their applications after Microsoft ...

Microsoft released an emergency patch for its ASP.NET Core to fix a high-severity vulnerability that allows unauthenticated attackers to gain SYSTEM privileges on devices that use the Web development ...

Microsoft has released out-of-band (OOB) security updates to patch a critical ASP.NET Core privilege escalation vulnerability. The security flaw (tracked as CVE-2026-40372) was found in the ASP.NET ...

Your ASP.NET Application Is Running. But Is It Holding You Back? Many enterprise applications still run on ASP.NET (.NET Framework). They are stable. They are functional. They generate revenue. But ...

Each month, the team at Readiness analyzes the latest Patch Tuesday updates from Microsoft and provides detailed, actionable testing guidance. The company’s Patch Tuesday release for February ...

The Kestrel web server flaw allows request smuggling attacks, but the actual risk depends on the application code and deployment. Microsoft has patched a critical vulnerability in ASP.NET Core that ...

In this blogpost, we provide a technical analysis of CloudScout, a post-compromise toolset used by Evasive Panda to target a government entity and a religious organization in Taiwan from 2022 to 2023.