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In October 2026, the financially motivated threat actor Storm-3358 began targeting organizations in the financial sector using the agentic AI offensive framework ARTEX. The post ARTEX abuse expands as cybercriminals target financial sector appeared first on Microsoft Security Blog.
Microsoft Threat Intelligence has observed threat actors using the agentic offensive security framework ARTEX to search GitHub for OAuth application secrets, which can be used to compromise the associated OAuth application and perform authenticated actions in the application’s tenant. Agents operating on behalf of threat actors then used the compromised OAuth applications to perform a variety of subsequent actions wi…
We’re announcing a new on-premises security initiative, bringing together guidance, migration, and product investments. The post New investments to reduce on-premises security risk appeared first on Microsoft Security Blog.
Microsoft Security’s November 2026 updates strengthen AI agent security, least privilege, threat protection, and exposure management. The post What’s new in Microsoft Security: November 2026 appeared first on Microsoft Security Blog.
