Fortinet Buys Cybersecurity Startup enSilo To Boost Endpoint Defenses

‘In acquiring enSilo, we add automated, real-time detection, protection and response enhancements to our Fortinet Security Fabric to further protect endpoints and corresponding edge data,’ said Fortinet CEO Ken Xie.


Fortinet has purchased early-stage endpoint security player enSilo to strengthen its real-time automated detection and response capabilities around endpoint and edge data.

The Sunnyvale, Calif.-based platform security vendor said it plans to integrate San Francisco-based enSilo’s endpoint detection and response (EDR) technology with Fortinet’s Network Access Control (NAC), Security Information and Event Management (SIEM) and User Entity Behavior Analytics (UEBA) offerings to provide better visibility into the endpoint and control over network, user, and host activity.

“Security and the network need to be integrated and orchestrated to enable advanced threat containment at network speeds,” said Ken Xie, Fortinet founder, chairman and CEO, in a statement. “In acquiring enSilo, we add automated, real-time detection, protection and response enhancements to our Fortinet Security Fabric to further protect endpoints and corresponding edge data.”

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Fortinet’s stock is up $0.31 (0.39 percent) to $80.79 in trading Monday morning. Terms of the deal, which was announced Monday, weren’t disclosed, and Fortinet declined to make executives available for additional comment.

enSilo was founded in 2014, employs 87 people, and has raised $57.5 million in five rounds of outside funding, according to LinkedIn and Crunchbase. The company in June closed a $23.5 million Series B round led by Rembrandt Venture Partners.

“Together, enSilo and Fortinet share the commitment to solve customers’ most difficult challenges and to protect endpoint and their corresponding operations and data,” enSilo Founder and CEO Roy Katmor said in a statement. “Now, enSilo brings its patented approach for advanced endpoint protection and response to Fortinet and its broad security portfolio.”

The company was already a Fortinet Security Fabric partner prior to the acquisition, helping organizations reduce the time needed to detect, investigate and remediate malicious attacks. The transaction is also expected to make it easier for MSSPs to deliver a comprehensive and efficient managed detection and response (MDR) service, Fortinet said.

enSilo’s cyberthreat experts provide both incident response services as well as automated real-time protection against advanced threats, according to Fortinet. The company’s code-tracing technology helps thwart attacks and prevent exfiltration and ransomware, Fortinet said, helping organizations remain compliant with the PCI, HIPAA and GDPR standards.

The lightweight agent used by enSilo provides protection across multiple operating systems including Linux, Windows, and macOS, Fortinet said. Plus, enSilo’s integration of access control and endpoint security functionality helps deliver protection around the Internet of Things (IoT), Fortinet said.

enSilo can be deployed either on-premise or in the cloud in a flexible manner, Fortinet said, providing both multi-tenancy as well as the ability to scale to hundreds of thousands of endpoints.

The enSilo deal comes a year after Fortinet purchased threat analytics company ZoneFox for an initial consideration of $18 million to enable businesses to better leverage machine learning to detect anomalous behavior and respond to insider threats more quickly.

Four months earlier, in June 2018, Fortinet bought IoT-focused security firm Bradford Networks for an initial consideration of $17 million to provide an agent-less assessment of all devices accessing the network and automatically contain the non-compliant ones in real-time.

All told, Fortinet has acquired 11 companies since its founding in 2000, according to Crunchbase.