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Phosphorus

Phosphorus Cybersecurity is the leading provider of unified, prevention-based security management for the xTended Internet of Things (xIoT). Founded by Chris Rouland (previously founded Endgame and Bastille, stood up X-Force at IBM), Rebecca Rouland, and Earle Ady, the company has raised $65 million total funding. Phosphorus has positioned itself uniquely in the market by focusing on proactive remediation rather than just discovery, addressing the critical gap where 70% of IoT/OT/IoMT devices are deployed with default passwords and 68% contain known high-to-critical vulnerabilities. The company serves enterprise customers across healthcare, finance, manufacturing, and critical infrastructure sectors.

Founded 2017
50-200 employees
Nashville, TN, USA

About Phosphorus

Phosphorus Cybersecurity is the leading provider of unified, prevention-based security management for the xTended Internet of Things (xIoT). Founded by Chris Rouland (previously founded Endgame and Bastille, stood up X-Force at IBM), Rebecca Rouland, and Earle Ady, the company has raised $65 million total funding. Phosphorus has positioned itself uniquely in the market by focusing on proactive remediation rather than just discovery, addressing the critical gap where 70% of IoT/OT/IoMT devices are deployed with default passwords and 68% contain known high-to-critical vulnerabilities. The company serves enterprise customers across healthcare, finance, manufacturing, and critical infrastructure sectors.

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