CrowdStrike acquired Israeli browser protection firm Seraphic Security. Financial details of the deal were not disclosed, but sources placed the figure at around $420 million.

Formed in 2020 by CEO Ilan Yeshua and CTO Avihay Cohen, the Herzliya, Israel-based business aims to turn any browser – Chrome, Edge, Safari, Firefox, as well as in-trend AI browsers like Perplexity's Comet – into an enterprise secure one. This is achieved through native zero-trust access and embedded real-time monitoring, across managed and unmanaged devices.

With the acquisition, CrowdStrike will merge Seraphic's browser runtime security capabilities with its flagship Falcon suite, alongside identity tools gathered from its SGNL acquisition. That deal only took place last week, with the Palo Alto, California-based startup snapped up for a cool $740 million.

With Seraphic under the Falcon hood, CrowdStrike aims to turn out restrictive “walled garden” enterprise browsers with traditional security methods, and well as dependency on latency-sensitive network routing.

Seraphic's web data loss prevention (DLP) solutions use AI-driven content filtering and granular execution-layer controls to prevent users from copying, uploading, or capturing screenshots of sensitive data.

Its tool also contain session-based threats such as session hijacking, advanced phishing, and man-in-the-browser attacks by randomizing the browser’s JavaScript engine to stop malicious activity at the execution layer.

CrowdStrike also touted enhanced security for unmanaged and bring-your-own-devices by securing browser sessions for contractors and third-party users without requiring a traditional endpoint agent.

The current cybersecurity focus on browsers comes after Gartner research last year predicted that by 2028, 25% of enterprises will use secure enterprise browsers to enhance remote access and endpoint security.

Last April saw Palo Alto Networks release Prisma Access Browser 2.0, a secure access service edge (SASE)-native secure browser with similar DLP and zero trust abilities to Seraphic's. Netskope meanwhile meanwhile integrated its browser offering with the security service edge (SSE) capabilities of its Netskope One platform.

Palo Alto and Seraphic also tout securing AI applications and agents at the browser-level. Similar claims have been made by AI firms like Perplexity about their own AI-native browsers, although doubts have been raised after researchers uncovered security issues with agentic security guardrails in its Comet offering.

Cybersecurity firm Lasso Security found that Perplexity's open research benchmark and content detection model which underpins the browser floundered with encoding and formatting techniques.