How to better protect your growing business in an AI-powered world
See how built-in security helps keep your growing business running, protect customer trust, and support growth.
Refine results
Content Type
Topic
Threat intelligence
Products and services
Publish date
Prevent threats with Microsoft Defender
The Microsoft Defender family offers comprehensive threat prevention, detection, and response capabilities for everyone—from individuals looking to protect their family to the world’s largest enterprises.
-
-
Defense in depth for autonomous AI agents
As AI agents gain autonomy, defense in depth must evolve, with application-layer design, identity, and human oversight at the center. -
Kazuar: Anatomy of a nation-state botnet
Kazuar, a sophisticated malware family attributed to the Russian state actor Secret Blizzard, has been under constant development for years and continues to evolve in support of espionage-focused operations. -
When configuration becomes a vulnerability: Exploitable misconfigurations in AI apps
Exposed UIs, weak authentication, and risky defaults could turn cloud-native AI apps on Kubernetes into potential targets by threat actors. Retain Microsoft Defender Experts
Microsoft Defender Experts are available to strengthen your teams with expertise when and where you need it. Learn how to elevate your security with expert-led services.
-
Accelerating detection engineering using AI-assisted synthetic attack logs generation
What if you could generate realistic attack telemetry on demand? Explore research methods that translate attacker behaviors (TTPs) into synthetic logs that can trigger detections at scale and without sensitive data. -
Defense at AI speed: Microsoft’s new multi-model agentic security system tops leading industry benchmark
Today Microsoft is announcing a major step forward in AI-powered cyber defense: a new multi-model agentic scanning harness (codenamed MDASH). -
Defending consumer web properties against modern DDoS attacks
Read how to protect consumer websites and defend against modern DDoS attacks with layered security, resilient architecture, and graceful service degradation. -
Undermining the trust boundary: Investigating a stealthy intrusion through third-party compromise
Microsoft Incident Response investigated an attack operated through legitimate and trusted administrative mechanisms to blend seamlessly into routine operations and remain undetected demonstrating that intrusions have increasingly avoided using noisy exploits, obvious malware, or custom tooling, instead leveraging systems that organizations already trust within their environments. Modernize your Security Operations Center with Microsoft Sentinel
Microsoft Sentinel is a cloud-native SIEM solution powered by AI and automation that delivers intelligent security analytics across your entire enterprise.
-
Active attack: Dirty Frag Linux vulnerability expands post-compromise risk
Dirty Frag is a newly disclosed Linux local privilege escalation vulnerability affecting kernel networking and memory-fragment handling components including esp4, esp6, and rxrpc. -
When prompts become shells: RCE vulnerabilities in AI agent frameworks
New research exposes how prompt injection in AI agent frameworks can lead to remote code execution. -
World Passkey Day: Advancing passwordless authentication
This World Passkey Day, read how Microsoft is advancing passkey adoption to replace passwords, cut phishing risk, and deliver simpler, more secure sign-ins. -
Microsoft named an overall leader in KuppingerCole Analyst’s 2026 Emerging AI Security Operations Center (SOC) report
Microsoft is excited to be named an Overall Leader, and the Market Leader in the Kuppinger Cole Analyst’s 2026 Emerging AI Security Operations Center (SOC) report, as we see automation and AI as core components of the future of cybersecurity.
