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CrowdStrike to Buy Seraphic Security to Bring In-Session Browser Protections to Falcon

CrowdStrike casts the purchase as closing browser blind spots through continuous, in‑session authorization.

Overview

  • CrowdStrike signed a definitive agreement to acquire Seraphic Security, with closing targeted for Q1 FY2027 subject to customary conditions.
  • Multiple outlets report a price near $420 million, mostly in cash with some stock, a figure not disclosed in the company announcement.
  • Seraphic provides runtime controls inside any major browser on managed and unmanaged devices, adding real‑time, in‑session visibility.
  • The company plans to combine Seraphic with Falcon telemetry plus SGNL’s continuous authorization to enable per‑session, risk‑based access and zero standing privilege.
  • Advertised features include JavaScript engine randomization to block session hijacking and man‑in‑the‑browser attacks, along with AI‑aware web DLP to curb data exfiltration and govern GenAI use.