cybersecdirectory

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
CompanyBased inFoundedSizeOwnershipRevenue
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 States2014Public, KEYS$5.4bn (FY2025)
Armis

Armis provides cyber exposure management and security for connected devices and operational technology.

United StatesPart of ServiceNow
Asimily

Asimily provides a platform to discover, assess, and mitigate risks for IoT, OT, and IoMT devices.

Sunnyvale, United StatesPrivate
Eclypsium

Eclypsium provides continuous assurance of critical hardware, firmware, and software across enterprise infrastructure.

Portland, United States2017Private
OmniTrust

Provides a platform for managing cryptographic trust across devices, systems and AI.

Ashburn, United States2010Private
Ordr

Ordr provides a platform that discovers and enforces security policies for connected devices across IT, IoT, OT, and IoMT.

Santa Clara, United States2015Private
wolfSSL

Embedded cryptography firm whose wolfHSM ports its crypto library to automotive hardware security modules in ECUs.

Edmonds, Washington, United States2004Private
Red Balloon Security

Embedded firmware hardening and runtime monitoring for devices, including Symbiote protection for vehicle ECUs and calibration data.

New York, United States2011Private
TigerByte Cyber

TigerByte Cyber provides cyber hardening for AI and edge devices in mission-critical environments.

Hanover, United StatesPrivate

Also active in IoT, embedded and product security

21 companies
CompanyBased inFoundedSizeOwnershipRevenue
Palo Alto Networks

Palo Alto Networks provides cybersecurity platforms and services to protect organizations from cyber threats.

Santa Clara, United States200513,900 staffPublic, 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 StatesPublic, 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 StatesPublic, 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 States199851-200 staffPrivate
Atredis Partners

Employee-owned research firm testing embedded systems, including vehicle infotainment, telematics units and CAN networks.

United StatesPrivate
Block Harbor Cybersecurity

Detroit firm offering a vehicle security engineering platform alongside automotive penetration testing and defensive security services.

Detroit, United StatesPrivate
Claroty

Claroty provides cybersecurity for cyber-physical systems in industrial, healthcare, and commercial settings.

New York, United StatesPrivate
Finite State

Finite State provides a product security platform for connected devices, automating SBOM generation, vulnerability analysis, and compliance evidence.

Columbus, United States2017Private
Forescout Technologies

Forescout provides a platform for managing cyber risk and mitigating threats across IT, OT, IoT, and IoMT devices.

San Jose, United StatesOwned 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 States2020Part of Dragos
Nozomi Networks

Nozomi Networks provides OT and IoT security solutions for critical infrastructure, offering asset visibility and threat detection.

San Francisco, United StatesOwned by Mitsubishi Electric
RunSafe Security

Generates SBOMs for embedded code and hardens vehicle ECU software against memory-based exploits at runtime.

McLean, United StatesPrivate
SecureThings.ai

Sunnyvale and Pune firm selling in-vehicle intrusion detection, vehicle SOC analytics, secure OTA and security assessments.

Sunnyvale, United StatesPrivate
Shift5

Onboard monitoring platform that detects cyber and electronic warfare threats on military vehicles, aircraft, ships and trains.

Rosslyn, Virginia, United States2019Private
Tranzhalo

Georgia start-up whose TranzSecure service flags cyber attacks, unknown devices and cargo theft across trucking fleets.

Alpharetta, United StatesPrivate
Vultara

Web-based software that automates vehicle threat analysis and risk assessment, plus vulnerability tracking and consulting.

Troy, Michigan, United StatesPrivate
Keyfactor

Keyfactor provides software for managing machine identities and cryptographic keys.

Independence, United StatesPrivate
OPSWAT

OPSWAT provides cybersecurity solutions to protect critical infrastructure from file-borne and device-borne threats.

Tampa, United StatesPrivate
runZero

runZero provides exposure management software that discovers and profiles assets across IT, OT, IoT, cloud and mobile networks.

Austin, United States2018Part of Dragos
Sibros

Connected vehicle software firm offering OTA updates, data logging and a vehicle security operations centre for fleets.

San Jose, California, United States2018Private
Upstream Security

Upstream Security provides a cybersecurity and intelligence platform for physical AI, vehicles, and smart mobility.

Birmingham, United States2017Private

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All 78 IoT security companies

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