All companies

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

System Force IT provides managed IT support, cyber security, and Microsoft 365 services to UK SMEs.

Tanium provides a platform for managing and securing endpoints across large networks.

Team Cymru provides global threat intelligence from internet traffic for proactive defence.

Teldat sells networking and security equipment and software.

Teleport provides a unified identity layer for securing access to infrastructure, applications, and AI agents.

Johannesburg-based infosec consultancy operating since 2002. One of Africa's oldest pen testing firms with deep technical expertise.

Tenable provides an exposure management platform that unifies security visibility, insight, and action across the attack surface.

Tenzir provides an agentic telemetry pipeline for data-driven cyber defenders.

TestPros is an independent IT compliance firm that has been testing since 1988.

CREST-accredited California consultancy blending compliance expertise with penetration testing. First to earn ISO 17020 for MITRE ATT&CK and PTES frameworks.

Cybersecurity division of the Thales Group, with ANSSI, CREST, FedRAMP 3PAO, and NATO-cleared personnel. Defence, government, and critical infrastructure penetration testing worldwide.

Sydney-headquartered Australian cybersecurity firm founded in 1997, now part of Infosys. CREST-approved with OSCP, OSCE, and OSEE-certified testers.

Provides Zero Trust cybersecurity software controlling application execution, network access and privileged access for organisations.

London-based cybersecurity firm offering unlimited, fixed-price penetration testing and red teaming services with ISO 27001 certification and a unique subscription model.

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

Tines provides a secure environment where teams can build AI agents, applications and automations.

Italian cybersecurity group that absorbed Swascan, offering offensive security and vulnerability assessment through its Cyber Competence Center.

Torq provides an AI-driven security operations platform that automates threat detection, investigation, and response for security teams.

Tragentics is a security and operations layer for AI agents that customers already run on their own infrastructure.

Elite security research firm specializing in source code review, blockchain auditing, and building industry-standard open-source security tools.

Transmit Security provides customer identity and access management and fraud prevention software for enterprises.

Transparent Edge is a European content delivery network and edge computing platform that also provides web and application security.

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

Trend Micro provides cybersecurity products and services for businesses and individuals worldwide.

Provides an AI security engineer that finds and fixes software risks using coding agents.

Trezor makes hardware wallets that keep cryptocurrency private keys offline and secure.

TRM Labs provides blockchain intelligence and AI tools to help investigate and disrupt criminal networks.

TrueScreen certifies digital data authenticity to protect against fraud, tampering and disputes.

Trust Onion makes an app that helps trusted groups verify each other's identity using rotating codewords and signed selfies.

Offensive security firm founded by former NSA operator David Kennedy, delivering CREST-accredited penetration testing, red teaming, and adversary simulation to Fortune 500 and government clients.

Self-hosted gateway that inspects and governs AI agent traffic inside a company's own network.

Trustpair provides a platform for fraud prevention and bank account validation for businesses.

Tufin provides a unified control plane for network security policy management across hybrid environments.

Tuta provides encrypted email, calendar and contacts services with a focus on privacy.

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

Inspection firm that audits carmakers' security management for R155 type approval and certifies suppliers to ISO/SAE 21434.

German testing and certification group whose security services include penetration tests, ISO/SAE 21434 certification and UN R155 audits.

Twingate provides identity-based access to private resources, replacing traditional VPNs for remote work.

TXOne Networks provides operations-first cybersecurity for industrial operational technology environments.

Global testing and certification firm, recognised by the PCI SSC for PTS POI and HSM evaluation, with labs in the UK and China.

UnderDefense provides managed detection and response, incident response, and compliance automation services.

UpGuard provides a platform for managing cyber risk across vendors, attack surface, and workforce.

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

Upwind provides a runtime-powered cloud security platform that uses live workload behaviour to prioritise posture findings.

Frankfurt-based European payment security specialist holding the full set of PCI credentials (QSA, PFI, ASV, P2PE). Manual-first penetration testing for fintechs, acquirers, and regulated enterprises.

French test and approval body acting as a UN R155 technical service, with vehicle pentesting and TARA.

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

ValidSoft provides voice authentication and deepfake detection.