OT security vendors

Microsoft sells software, cloud services, hardware, and gaming products.

Fortinet provides cybersecurity solutions and services, including networking and security convergence, for enterprises and governments.

German inspection group assessing vehicles and makers against UN R155, R156, ISO/SAE 21434 and ISO 24089.

Airbus group cybersecurity consultancy with ANSSI PASSI qualification. Aerospace, defence, and critical infrastructure penetration testing across Europe.

Sectra provides medical imaging IT and cybersecurity solutions for healthcare and critical infrastructure.

Boutique security consultancy specialising in IoT, SCADA/ICS, embedded systems, and hardware security research with world-renowned researchers.

CHECK and CREST-accredited Birmingham-based cyber security consultancy with over 15 years of experience delivering penetration testing, red teaming, and OT security assessments for government and private sector clients.

ARIA Cybersecurity provides AI-driven threat detection and response solutions for IT and OT infrastructure.

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

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

Software and services for cyber risk analysis, secure software updates and UNECE R155 and R156 compliance.

Provides agentic threat intelligence and validation for critical infrastructure security teams.

Hungarian security evaluation lab offering ISO/SAE 21434 gap analysis, CSMS set-up and type-approval support.

Bosch subsidiary selling ESCRYPT HSM firmware, intrusion detection, risk analysis tools and a managed vehicle SOC.

Engineering services group whose FEV.io arm runs TARA, ISO 21434 work, secure lab testing and vehicle pentests.

Hardware and software that detect cyber attacks and cargo theft on fleet vehicles, backed by a vehicle SOC.

Fuzzes compiled ECU and embedded firmware in emulation, finding memory bugs without needing the physical hardware.

genua GmbH is a German IT security company that protects critical and highly sensitive digital infrastructures.

GLIMPS provides cybersecurity solutions for malware detection and analysis.

Michigan security research firm offering penetration testing and training for vehicles and other transport systems.

IKARUS Security Software is an Austrian cybersecurity vendor.

Beijing supplier of vehicle security gateways, intrusion detection, HSM firmware, a vehicle SOC platform and compliance consulting.

LegacyMind GmbH provides a firmware security platform that analyses firmware at the binary level.

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

SCYTHE provides a platform for continuous adversarial exposure validation across IT, cloud, and OT environments.

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

French security evaluation lab (ITSEF/CESTI) recognised by the PCI SSC for PTS device evaluation, plus EMVCo and Common Criteria.

PikeOS hypervisor maker offering a secure vehicle gateway platform with firewall and IDS, plus a host-based IDS.

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

Italian Var Group security firm that absorbed Munich automotive consultancy CYRES and offers a vehicle SOC service.

Cybersecurity consulting and managed security services covering cyber strategy, resilience, zero trust protection and operational technology security, within a global IT services firm.

Israeli company that detects cyber attacks and tampering on fleet vehicles through CAN bus monitoring.

Tool for building and updating threat analyses and risk assessments to ISO/SAE 21434, IEC 62443 and the CRA.

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

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

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

Utimaco provides hardware security modules, encryption, and key management for data protection and critical infrastructure.