As organizations embed AI across their business, the same technology that drives productivity also introduces a new class of risk: prompts that can be...

As organizations embed AI across their business, the same technology that drives productivity also introduces a new class of risk: prompts that can be...

Introduction As a Microsoft MVP (Most Valuable Professional) specializing in SIEM, XDR, and Cloud Security, I have witnessed the rapid evolution of...

When it comes to securing your multicloud environment, Microsoft Defender Cloud Security Posture Management offers a powerful suite of agentless...

Microsoft Incident Response – Detection and Response Team (DART) researchers uncovered a new backdoor that is notable for its novel use of the OpenAI Assistants Application Programming Interface (API) as a mechanism for command-and-control (C2) communications. Instead of relying on more traditional methods, the threat actor behind this backdoor abuses OpenAI as a C2 channel as a way to stealthily communicate and orchestrate malicious activities within the compromised environment. To do this, a component of the backdoor uses the OpenAI Assistants API as a storage or relay mechanism to fetch commands and run tasks for the threat actor.

Overview In an era where cyber threats evolve at an unprecedented pace and artificial intelligence (AI) transforms business operations, Microsoft stands at...

In today’s evolving threat landscape, organizations increasingly rely on layered email security solutions to protect users and sensitive data. Microsoft...

The cybersecurity threat landscape continues to evolve with novel attacks and techniques emerging each day. Microsoft Defender Experts for Hunting, included...

Hybrid IT environments, identity is the new perimeter—and protecting it requires visibility across both cloud and on-premises systems. While Microsoft Entra...

Option 1: Update the Existing Coverage Workbook Enhance the current workbook by adding a query that checks Defender for AI plan enablement across...

Pendant des décennies, installer un antivirus tiers était le premier réflexe après l'achat d'un nouveau PC. Norton, McAfee, Avast, Bitdefender… : ces noms étaient synonymes de sécurité. Pourtant, cett...

Learn more about the top generative AI threats and how companies can enhance their security posture in today’s unpredictable AI environments.

Cybersecurity is evolving faster than ever. Attackers are leveraging automation and AI to scale their operations, so how can defenders keep up? The answer...

As we continue to deliver on our vision to simplify security workflows for the SOC, we are making custom detections the unified solution for building and...

Introduction In Part 1, we explored why traditional security monitoring fails for GenAI workloads. We identified the blind spots: prompt injection attacks...

This blog covers four key areas that are frequently missed, but they are essential for a secure and auditable deployment of Defender for Office 365. Before...

In certain occasions you may want to confirm what is the state of your devices or a subset of your devices in EntraID and cross reference this with the...

This milestone streamlines the deployment of on-premises identity security by unifying our endpoint and identity protection into a single sensor,...