Microsoft named a Leader in the Forrester Wave™: Endpoint Management Platforms, Q2 2026, with the highest scores in the current offering and strategy categories. The post Microsoft a Leader in The Forrester Wave™ for Endpoint Management Platforms appeared first on…
Category: Microsoft Security Blog
CNAPP evolution: How Microsoft aligns with leading cloud risk management platforms
Learn how CNAPP platforms are helping organizations prioritize exploitable risks, reduce exposure, and operationalize security across the application lifecycle. The post CNAPP evolution: How Microsoft aligns with leading cloud risk management platforms appeared first on Microsoft Security Blog. This article…
StealC and Amadey: Breaking down infostealers and the cybercrime services that deliver them
On June 24, 2026, Microsoft’s Digital Crimes Unit (DCU) facilitated the takedown, suspension, and blocking of domains that formed the backbone of the StealC and Amadey infrastructure. This blog is a technical breakdown of StealC and Amadey. The post StealC…
Guarding AI memory
What happens when threat actors target what AI remembers? Microsoft breaks down the risks and the defenses. The post Guarding AI memory appeared first on Microsoft Security Blog. This article has been indexed from Microsoft Security Blog Read the original…
One intrusion, two cyberattackers: Uncovering parallel threat activity
Ransomware case reveals two parallel threat actors, blending tactics and evasion—showing why isolated signals can often miss modern, overlapping cyberattacks. The post One intrusion, two cyberattackers: Uncovering parallel threat activity appeared first on Microsoft Security Blog. This article has been…
AutoJack: How a single page can RCE the host running your AI agent
AutoJack is a novel exploit chain showing how a single malicious webpage can turn an AI browsing agent into a remote code execution vector on the host machine. By abusing trust in localhost, missing authentication, and unsafe parameter handling, attackers…
New Forrester study shows customers who unified with Microsoft Security benefited from 124% ROI
New Forrester Total Economic Impact™ study shows Microsoft Security consolidation delivers ROI, lowers risk, and prepares organizations to secure AI. The post New Forrester study shows customers who unified with Microsoft Security benefited from 124% ROI appeared first on Microsoft…
From package to postinstall payload: Inside the Mastra npm supply chain compromise
A poisoned npm package infected 140+ projects with a hidden payload. This report highlights how to detect, hunt, and defend against supply chain attacks using Microsoft Defender and actionable threat intelligence. The post From package to postinstall payload: Inside the…
Crypto Clipper uses Tor and worm-like propagation for persistence and control
Microsoft Threat Intelligence analyzed a cryptocurrency clipper campaign that combines clipboard theft, wallet replacement, Tor-based communications, and worm-like propagation. Beyond stealing cryptocurrency transactions, the malware establishes persistent access and enables follow-on activity through a lightweight backdoor capability. The post Crypto…
Beyond the benchmark: Advancing security at AI speed
Read how Microsoft Security has advanced its agentic vulnerability detection system, codename MDASH, integrating into real-world workflows across Windows, Azure, and identity systems. The post Beyond the benchmark: Advancing security at AI speed appeared first on Microsoft Security Blog. This…
Forrester names Microsoft a Leader in the 2026 Extended Detection and Response Platforms Wave™ report
Microsoft has been named a Leader in The Forrester Wave™: Extended Detection and Response Platforms, Q2 2026. The post Forrester names Microsoft a Leader in the 2026 Extended Detection and Response Platforms Wave™ report appeared first on Microsoft Security Blog.…
AI is accelerating cyberattacks—here’s how to stay ahead
See how Microsoft unifies identity and security signals to help teams prevent, detect, and respond to AI-accelerated attacks faster. The post AI is accelerating cyberattacks—here’s how to stay ahead appeared first on Microsoft Security Blog. This article has been indexed…
Microsoft Defender email security benchmarking: Key insights from one year of data
See how Microsoft Defender performed in one year of real-world email security benchmarking against SEG and ICES vendors. The post Microsoft Defender email security benchmarking: Key insights from one year of data appeared first on Microsoft Security Blog. This article…
Turn specs into evals for any agent with ASSERT
Adaptive Spec-driven Scoring for Evaluation and Regression Testing (ASSERT) is an open-source framework for converting natural language behavior requirements into executable evaluations of AI models and agents. The post Turn specs into evals for any agent with ASSERT appeared first…
Reconstructing AI activity in investigations
Learn how to investigate AI activity in Microsoft 365 Copilot and Azure AI services using a structured, telemetry-driven approach. This playbook helps security teams reconstruct events, assess data exposure, and detect potential threats faster. The post Reconstructing AI activity in…
AI brands as bait: How threat actors are using the AI hype in social engineering
As threat actors operationalize AI to accelerate attacks, they are also leveraging the wider global interest around AI itself as a social engineering lure. The post AI brands as bait: How threat actors are using the AI hype in social…
Securing CI/CD in an agentic world: Claude Code Github action case
Microsoft Threat Intelligence identified a prompt injection pathway in Claude Code GitHub Action that allowed access to workflow secrets under specific conditions. This research examines the attack chain, responsible disclosure process, Anthropic’s mitigation, and guidance for securing AI-powered CI/CD workflows.…
Updating the taxonomy of failure modes in agentic AI systems: What a year of red teaming taught us
A surge in real-world attacks against agentic AI systems is reshaping how we think about risk. Based on 12 months of red teaming, this update introduces seven new failure modes, from supply chain compromise to goal hijacking, and the practical…
Preinstall to persistence: Inside the Red Hat npm Miasma credential-stealing campaign
A large-scale npm supply chain attack compromised over 90 versions of @redhat-cloud-services packages, silently infecting CI/CD environments and developer systems. The malicious code steals credentials from GitHub, cloud platforms, and local machines, then spreads like a worm by republishing trusted…
Microsoft Build 2026: Securing code, agents, and models across the development lifecycle
Discover how Microsoft enables fast, secure AI development with MDASH and new security capabilities. The post Microsoft Build 2026: Securing code, agents, and models across the development lifecycle appeared first on Microsoft Security Blog. This article has been indexed from…