Today, Microsoft announces the general availability of Microsoft’s Signing Transparency (MST) – a first-of-its-kind capability that brings unprecedented visibility and trust to our software supply ch...

Background: IPM vs. Non-IPM Subtree Every Exchange Online mailbox is organized into two parts: IPM subtree (Interpersonal Message subtree) — the visible, user-facing part of a mailbox, designed...

As network and application-layer threats continue to evolve, security and infrastructure teams need more than product knowledge. They need practical, scenario-driven guidance they can apply to real w...

Today, developers are at the center of a new wave of innovation—building AI applications and agents that are deeply connected to enterprise data. But with this opportunity comes a new and complex set...

Quantum safety is a staged transition across customer environments. Windows is enabling this progression by extending quantum-safe support beyond algorithms and APIs, into the protocols and platform ...

Microsoft Security Store Lightning Talks are high‑energy, community-led mini sessions spotlighting real users like you who are putting Microsoft Security Store agents and solutions to work, driving m...

Globally, Marcel shares practical detection engineering insights on Microsoft Sentinel and Microsoft Defender XDR through forums and blog posts. Locally, he represents his employer in the IT-Security...

The Challenge: Organizations deploying Microsoft Copilot and custom AI agents face a critical gap: security visibility is fragmented across data protection, identity governance, and threat detection...

Introduction  To see why this problem scales so quickly, start with the smallest possible change: a single line of code. In modern software, even a tiny edit is rarely just a local modification. It...