Microsoft Threat Intelligence has observed threat actors using the agentic offensive security framework ARTEX to search GitHub for OAuth application…
Tag: Microsoft Security Blog
New investments to reduce on-premises security risk
We’re announcing a new on-premises security initiative, bringing together guidance, migration, and product investments.
What’s new in Microsoft Security: November 2026
Microsoft Security’s November 2026 updates strengthen AI agent security, least privilege, threat protection, and exposure management.
Email threat landscape: Q3 2026 trends and insights
Microsoft Threat Intelligence observed a sharp rise in email-based phishing activity at the end of Q3 2026 (July – September), even as QR code phishing…
Fake-download campaign uses trojanized installers to deliver monetization payloads
Microsoft Threat Intelligence tracks a fake-download campaign that uses trojanized Inno installers to deliver multiple monetization offers and provides…
Microsoft named a Leader in the 2026 Gartner® Magic Quadrant™ for AI Agent Management Platforms
Read why Gartner named Microsoft a Leader in the inaugural 2026 Magic Quadrant for AI Agent Management Platforms.
What exploited vulnerabilities have in common: A data-driven analysis of real-world attacks
Real-world exploitation concentrates in a small, high-impact subset of CVEs. Learn how defenders can prioritize vulnerabilities based on exploitation…
Microsoft named a Leader in the 2026 Gartner® Magic Quadrant™ for AI Agent Management Platforms
Read why Gartner named Microsoft a Leader in the inaugural 2026 Magic Quadrant for AI Agent Management Platforms.
Fake-download campaign uses trojanized installers to deliver monetization payloads
Microsoft Threat Intelligence tracks a fake-download campaign that uses trojanized Inno installers to deliver multiple monetization offers and provides…
What exploited vulnerabilities have in common: A data-driven analysis of real-world attacks
Real-world exploitation concentrates in a small, high-impact subset of CVEs. Learn how defenders can prioritize vulnerabilities based on exploitation…
Inside a malicious Claude Code-branded extension and its persistent SSH backdoor
Microsoft analyzes a malicious Claude Code–branded extension, its persistent SSH backdoor, and guidance to detect and remediate it.
From help desk impersonation to AD CS abuse: Investigating ESC1 and ESC8 intrusion paths
Teams support impersonation led to remote access, malicious runtime execution, and Certificate Services abuse through authentication relay and Kerberos.
The CISO’s evolving role: Protecting and defending in the agentic era
As AI and agents reshape the enterprise, CISOs face two critical priorities: enabling innovation with the right identity and data guardrails, and…
IDC MarketScape names Microsoft a Leader in the 2026 Worldwide Modern Endpoint Security for Enterprises Vendor Assessment
IDC has named Microsoft a Leader in the 2026 IDC MarketScape for Worldwide Modern Endpoint Security for Enterprises.
Tracking AI adoption in North Korean threat actor tradecraft
As Microsoft Threat Intelligence continues to track how threat actors operationalize AI to increase the speed and efficiency of attacks, we’ve identified…
The CISO’s evolving role: Protecting and defending in the agentic era
As AI and agents reshape the enterprise, CISOs face two critical priorities: enabling innovation with the right identity and data guardrails, and…
Tracking AI adoption in North Korean threat actor tradecraft
As Microsoft Threat Intelligence continues to track how threat actors operationalize AI to increase the speed and efficiency of attacks, we’ve identified…
IDC MarketScape names Microsoft a Leader in the 2026 Worldwide Modern Endpoint Security for Enterprises Vendor Assessment
IDC has named Microsoft a Leader in the 2026 IDC MarketScape for Worldwide Modern Endpoint Security for Enterprises.
The CISO’s evolving role: Protecting and defending in the agentic era
As AI and agents reshape the enterprise, CISOs face two critical priorities: enabling innovation with the right identity and data guardrails, and…
Inside the LiteLLM 1.107.0 supply chain compromise: Credential theft through Python startup hooks
Microsoft Threat Intelligence analyzes the LiteLLM 1.107.0 compromise, including Python startup hooks, credential theft, remote code loading, detections,…
