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Leidos Cyber

“At Leidos Cyber, we have history from an OT perspective with our Industrial Defender heritage. While IoT does bring new challenges, at the end of the day, it's all about foundational security practices. The technology is what brought us to Fortinet.”

Mark Sherman, Director for Managed Security, Leidos Cyber


Leidos is a Fortune 500 information technology, engineering, science solutions and services leader working to solve the world's toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company's 31,000 employees support vital missions for government and commercial customers.

Leidos Cyber is a wholly owned subsidiary within Leidos, focused on providing managed security services to commercial customers. The three main focuses areas for Leidos Cyber include:

  • Device management with firewall specialization
  • SIEM monitoring and management
  • Managed detection and response

Fortinet works with experienced and proven MSSP’s like Leidos: Through this partnership Leidos is positioned as the largest managed security service provider (MSSP) organization that is authorized to offer FortiSIEM services to tightly manage network security, performance and compliance across their global infrastructures. Learn more in this video.

Business Impact


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Partnership ensures foundational security practices with the right combination of leading security technologies and proven security expertise

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Portfolio of leading security products designed to detect and respond to advanced threats

Learn More About the Solutions Used in this Case Study