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Microsoft 2.5: New security business chief Hayete Gallot on the company’s push into the agentic era

Microsoft's new security chief just poached talent to build 'agentic security'—filling a division where several VPs quietly exited.

Reporting by GeekWire 1 min brief
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The KeyNews take

Why it matters

Microsoft is restructuring its security leadership around autonomous threat response (agentic systems), signaling a major strategic pivot in enterprise AI. This matters because it shows how incumbents are reorganizing to compete in the agent-first era.

The key facts

7 to know

  1. Hayete Gallot rejoined Microsoft in February 2026 to lead security business

  2. Focus on 'agentic security'—autonomous threat detection and response without human intervention

  3. Multiple VP-level exits from security division in recent months

  4. New leadership team being built under Gallot's direction

  5. Focus area: 'agentic security' — autonomous threat detection and response without human intervention

  6. Multiple VPs have exited the security division recently

  7. Gallot is actively building a new leadership team in the division

Go to the source

GeekWiregeekwire.com

Publisher excerpt: Hayete Gallot, who rejoined Microsoft in February to lead its security business, is pushing the company toward "agentic security" — systems that spot threats and act on them without waiting for a human. She's doing it while building a new leadership team in a division where several VPs have exited…
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