IoT security companies in the United States
30 of the 78 IoT security companies we list are based in the United States. 4 are public, 5 are owned by another company and 21 are private. The oldest, IOActive, was founded in 1998. By revenue from annual reports, the largest company here is Palo Alto Networks ($11.5bn in FY2026).
Companies focused on IoT, embedded and product security in the United States
9 companies| Company | Based in | Founded | Size | Ownership | Revenue |
|---|---|---|---|---|---|
Keysight Technologies Test equipment maker whose device security lab, built on Riscure, tests chips, cards and vehicle electronics against side-channel and fault-injection attacks. | Santa Rosa, California, United States | 2014 | Public, KEYS | $5.4bn (FY2025) | |
Armis Armis provides cyber exposure management and security for connected devices and operational technology. | United States | Part of ServiceNow | |||
Asimily Asimily provides a platform to discover, assess, and mitigate risks for IoT, OT, and IoMT devices. | Sunnyvale, United States | Private | |||
Eclypsium Eclypsium provides continuous assurance of critical hardware, firmware, and software across enterprise infrastructure. | Portland, United States | 2017 | Private | ||
OmniTrust Provides a platform for managing cryptographic trust across devices, systems and AI. | Ashburn, United States | 2010 | Private | ||
Ordr Ordr provides a platform that discovers and enforces security policies for connected devices across IT, IoT, OT, and IoMT. | Santa Clara, United States | 2015 | Private | ||
wolfSSL Embedded cryptography firm whose wolfHSM ports its crypto library to automotive hardware security modules in ECUs. | Edmonds, Washington, United States | 2004 | Private | ||
Red Balloon Security Embedded firmware hardening and runtime monitoring for devices, including Symbiote protection for vehicle ECUs and calibration data. | New York, United States | 2011 | Private | ||
TigerByte Cyber TigerByte Cyber provides cyber hardening for AI and edge devices in mission-critical environments. | Hanover, United States | Private |
Also active in IoT, embedded and product security
21 companies| Company | Based in | Founded | Size | Ownership | Revenue |
|---|---|---|---|---|---|
Palo Alto Networks Palo Alto Networks provides cybersecurity platforms and services to protect organizations from cyber threats. | Santa Clara, United States | 2005 | 13,900 staff | Public, PANW | $11.5bn (FY2026) |
UL Solutions Global testing and certification firm, recognised by the PCI SSC for PTS POI and HSM evaluation, with labs in the UK and China. | Northbrook, United States | Public, ULS | $3.1bn (FY2025) | ||
Rambus Chip IP company licensing automotive-grade hardware security modules, MACsec engines and key provisioning for vehicle chips. | San Jose, United States | Public, RMBS | $707.6m (FY2025) | ||
IOActive Boutique security consultancy specialising in IoT, SCADA/ICS, embedded systems, and hardware security research with world-renowned researchers. | Seattle, United States | 1998 | 51-200 staff | Private | |
Atredis Partners Employee-owned research firm testing embedded systems, including vehicle infotainment, telematics units and CAN networks. | United States | Private | |||
Block Harbor Cybersecurity Detroit firm offering a vehicle security engineering platform alongside automotive penetration testing and defensive security services. | Detroit, United States | Private | |||
Claroty Claroty provides cybersecurity for cyber-physical systems in industrial, healthcare, and commercial settings. | New York, United States | Private | |||
Finite State Finite State provides a product security platform for connected devices, automating SBOM generation, vulnerability analysis, and compliance evidence. | Columbus, United States | 2017 | Private | ||
Forescout Technologies Forescout provides a platform for managing cyber risk and mitigating threats across IT, OT, IoT, and IoMT devices. | San Jose, United States | Owned by Advent International and Crosspoint Capital Partners | |||
NetRise NetRise analyses compiled software to create an inventory of components and identify supply chain risks. | Austin, United States | 2020 | Part of Dragos | ||
Nozomi Networks Nozomi Networks provides OT and IoT security solutions for critical infrastructure, offering asset visibility and threat detection. | San Francisco, United States | Owned by Mitsubishi Electric | |||
RunSafe Security Generates SBOMs for embedded code and hardens vehicle ECU software against memory-based exploits at runtime. | McLean, United States | Private | |||
SecureThings.ai Sunnyvale and Pune firm selling in-vehicle intrusion detection, vehicle SOC analytics, secure OTA and security assessments. | Sunnyvale, United States | Private | |||
Shift5 Onboard monitoring platform that detects cyber and electronic warfare threats on military vehicles, aircraft, ships and trains. | Rosslyn, Virginia, United States | 2019 | Private | ||
Tranzhalo Georgia start-up whose TranzSecure service flags cyber attacks, unknown devices and cargo theft across trucking fleets. | Alpharetta, United States | Private | |||
V Vultara Web-based software that automates vehicle threat analysis and risk assessment, plus vulnerability tracking and consulting. | Troy, Michigan, United States | Private | |||
Keyfactor Keyfactor provides software for managing machine identities and cryptographic keys. | Independence, United States | Private | |||
OPSWAT OPSWAT provides cybersecurity solutions to protect critical infrastructure from file-borne and device-borne threats. | Tampa, United States | Private | |||
runZero runZero provides exposure management software that discovers and profiles assets across IT, OT, IoT, cloud and mobile networks. | Austin, United States | 2018 | Part of Dragos | ||
Sibros Connected vehicle software firm offering OTA updates, data logging and a vehicle security operations centre for fleets. | San Jose, California, United States | 2018 | Private | ||
Upstream Security Upstream Security provides a cybersecurity and intelligence platform for physical AI, vehicles, and smart mobility. | Birmingham, United States | 2017 | Private |
More IoT security companies
All 78 IoT security companiesEvery cybersecurity company in the United States · See every category