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.
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 knowHayete Gallot rejoined Microsoft in February 2026 to lead security business
Focus on 'agentic security'—autonomous threat detection and response without human intervention
Multiple VP-level exits from security division in recent months
New leadership team being built under Gallot's direction
Focus area: 'agentic security' — autonomous threat detection and response without human intervention
Multiple VPs have exited the security division recently
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…