cyber-physical-systems
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Viakoo and the work after the warning
A security alert cannot patch a camera. Viakoo built a business around the less glamorous task: fixing thousands of connected devices and making sure they still do their jobs.
Claroty Secures the Machines You Can’t Just Reboot
Factories, hospitals, and airports need cybersecurity that respects the machinery. Claroty has built its business around a difficult promise: find the risk without stopping the work.
Nozomi Networks Found a $1 Billion Business in the Networks Factories Were Afraid to Touch - Here’s the Playbook
Two researchers built a security company around an awkward industrial truth: you cannot defend machines you cannot see, and you cannot casually probe machines that keep cities running. Their passive-first wedge became a global platform, more than $100 million in annual revenue, and a $1 billion acquisition.
Dragos Turned a Three-Person Side Project Into Security for the Machines Nobody Can Reboot
Dragos began with three practitioners, a packet-capture tool, and a founder who did not want to become a software vendor. A decade later, its field notes defend grids, factories and water systems - and explain why industrial security cannot be treated like office IT.
M.C. Dean, Inc.
The 77-year-old family company has turned electrical contracting into a $3 billion cyber-physical infrastructure business - one that builds critical systems in a factory before they ever reach the job site.
DeNexus
DeNexus is a Boston-based cyber risk company that quantifies the financial impact of cyber threats to industrial and operational technology (OT) environments. Its DeRISK platform uses AI, machine learning and simulation to predict where breaches are likely in OT/ICS networks, express that risk in dollar terms, and prioritize mitigation by ROI. The company serves CISOs, boards, risk managers and cyber insurers across data centers, energy, manufacturing and transportation, and has expanded into agentic-AI underwriting automation for the industrial cyber insurance market.
Forescout Technologies Inc.
Forescout Technologies is a San Jose-based cybersecurity company that gives organizations agentless visibility and control over every connected device on their networks - from laptops and phones to industrial controllers, medical equipment and IoT sensors that cannot run traditional security agents. Its platform, now branded Forescout Vistaro, spans IT, OT, IoT and IoMT environments and combines asset discovery, network access control, segmentation, threat detection and exposure management, backed by the Vedere Labs threat-research team. Serving roughly 3,200 customers including one in five Fortune 500 companies and numerous government agencies, Forescout competes in the fast-growing market for securing the sprawling, mixed device estates of modern enterprises and critical infrastructure.
Dispel
Dispel is an Austin, Texas-based operational technology (OT) cybersecurity company that builds a Zero Trust Engine for industrial control systems. Its platform combines secure remote access, real-time industrial data streaming, unified OT connectivity (OTFusion), and 24/7 threat monitoring, all built around Moving Target Defense - a technique that constantly shifts network paths so attackers never get a stable target. Dispel lets manufacturers, utilities, energy operators, and government agencies give vendors and engineers fast, audited access to plant equipment without the friction of legacy VPNs and jump boxes.
ORDR
ORDR is a Santa Clara-based cybersecurity company that brings order to the chaos of connected devices, using AI to discover, profile, and protect every IT, IoT, IoMT, and OT asset on an enterprise network - from MRI machines at Cleveland Clinic to manufacturing PLCs - without agents.