Brian Contos

Field CISO @ Mitiga | Serial Entrepreneur | Board Advisor | Investor | Author

📍 San Francisco Bay Area, United States🔄 Updated September 2026💼 1 investments📅 4 years investing🗓 Last invested Mar 2022𝕏 @upgrade_to_unlock
Angel investor🌍 United States
1
Total investments
0
Early stage
1
Mid stage
0
Late stage
4y
Years active

Portfolio

1 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Investor
Mar 2022
Phosphorus Cybersecurity® is the leading CPS Protection Platform delivering a proactive approach to security management for the exploding IoT, OT, and IoMT attack surface. Designed to find and secure the rapidly growing, unknown, and often unmonitored world of Cyber-Physical Systems across the xTended Internet of Things landscape, our Unified xIoT Security Management Platform provides unmatched security management and breach prevention across every industry vertical—delivering high-fidelity discovery and risk assessment, proactive hardening and remediation, and continuous monitoring and management. With patented xIoT Intelligent Active Discovery and risk assessment, Phosphorus automates the mitigation and remediation of the most significant IoT, OT, IIoT, and IoMT device vulnerabilities – including unknown and inaccurate asset inventory, default credentials, out-of-date and vulnerable firmware, risky configurations, banned and end-of-life devices, and expired or self-signed certificates.
Experience · 2 entries
All (2)
Investments (1)
2022
Investor
Mar 2022
Phosphorus Cybersecurity® is the leading CPS Protection Platform delivering a proactive approach to security management for the exploding IoT, OT, and IoMT attack surface. Designed to find and secure the rapidly growing, unknown, and often unmonitored world of Cyber-Physical Systems across the xTended Internet of Things landscape, our Unified xIoT Security Management Platform provides unmatched security management and breach prevention across every industry vertical—delivering high-fidelity discovery and risk assessment, proactive hardening and remediation, and continuous monitoring and management. With patented xIoT Intelligent Active Discovery and risk assessment, Phosphorus automates the mitigation and remediation of the most significant IoT, OT, IIoT, and IoMT device vulnerabilities – including unknown and inaccurate asset inventory, default credentials, out-of-date and vulnerable firmware, risky configurations, banned and end-of-life devices, and expired or self-signed certificates.
1998
Principal Security Consultant
Jul 1998
Preeminent research and development organization. Inventor of the transistor, the laser, C programming language, UNIX.