All companies

ColdBoot is a Budapest-based Hungarian IT company that serves small and medium-sized businesses and private individuals.

Command Zero provides an autonomous AI platform that investigates security alerts from triage through to verdict.

Dublin-based Irish CREST-accredited pen testing firm. Human-led testing with strong NIS 2 and DORA expertise for Irish and EU clients.

Commvault provides a cloud-native platform for data security, identity resilience, and cyber recovery.

Comodo Group sells cybersecurity products and services to businesses and organisations.

COSIC provides expertise in digital security and industrial cryptography, conducting research and education.

ConformOps sells software for preparing the technical file required by the EU Cyber Resilience Act.

Conifers provides an agentic AI platform for security operations centres to investigate and respond to threats.

Edinburgh-based CREST-accredited IT and cybersecurity firm. Pen testing for Scottish public sector, financial services, and commercial clients.

Contrast Security provides runtime application security that detects and blocks attacks from inside running applications.

UK security consultancy doing threat modelling, training and research for connected vehicles, IoT and mobile products.

Corelight provides network detection and response solutions for cybersecurity teams.

Corero Network Security provides automatic DDoS protection for businesses and service providers.

Corsha provides identity-based security for machine-to-machine connections in industrial and operational networks.

Cortile automates vendor security reviews for healthcare third-party risk teams.

Subscription-based offensive cybersecurity firm delivering continuous cyber attack services with CREST STAR and CBEST accreditations from its London headquarters.

Provides cybersecurity advisory and virtual chief information security officer services to organisations.

CRACI provides build-time software supply chain security and SBOM generation for developers.

Cribl provides a vendor-agnostic platform for managing, investigating, and analyzing telemetry data.

Criminal IP provides threat intelligence solutions for uncovering exposed assets and detecting malicious infrastructure.

Critical Start provides managed detection and response services to monitor, investigate, and resolve security threats for organisations.

CronLab provides web and WiFi filtering services.

CrowdSec provides IP reputation and blocklists built from real attacks to block malicious IPs.

CrowdStrike provides AI-native cybersecurity solutions to stop breaches.

Resells security products and provides assessment, testing and advisory services with a data platform.

Crytica Security makes small probes that detect and isolate threats inside OT, IoT and IT devices.

Berlin-based web, browser, and cryptography auditors founded by Dr. Mario Heiderich, trusted by ExpressVPN, NordVPN, 1Password, and Bitwarden.

CVD Portal provides a platform for vulnerability reporting and Cyber Resilience Act compliance.

CVETodo prioritises software vulnerabilities using exploitability, exposure and threat intelligence for security teams.

CybaVerse provides a unified cyber security operations platform called CybaOps.

CybelAngel provides external threat intelligence and attack surface management services to protect enterprise data and assets.

Software platform for building SBOMs, tracking vulnerabilities and producing ISO 21434 and R155 evidence for vehicle firmware.

Provides dark web intelligence and cyber exposure monitoring to managed security service providers.

Managed cybersecurity group providing 24/7 SOC and MDR services to SMEs and MSP partners.

Toronto-based CREST-certified pen testing firm focused on Canadian financial services. OSCP and OSEP certified testers; OSFI, PCI DSS, and SOC 2 specialism.

Australia and New Zealand's largest pure-play cybersecurity firm with offices in every major ANZ capital. CREST ANZ accredited and IRAP-listed for Australian Government testing.

Cyberhaven provides a data security platform that traces data lineage to protect sensitive information across human and AI workflows.

CREST and CHECK-accredited UK penetration testing consultancy with CBEST approval, specialising in infrastructure, application, and simulated attack assessments across the public and private sectors.

Cardiff-based CREST and CHECK-accredited cyber security company delivering penetration testing, red teaming, and OT security assessments as part of the Chess Group.

Cyberneza provides cybersecurity and compliance consulting for defense contractors and regulated organizations.

CyberSentien provides a compliance assurance engine that assesses organisations against multiple security and AI governance frameworks.

CyberSheath provides cybersecurity compliance services for DOD contractors, focusing on CMMC, DFARS, and NIST standards.

Cybersplice provides operational technology security solutions for industrial networks.

Cybertrust is a Japanese company that provides trust services and security products.

CyberVadis provides a managed service and platform for third-party cyber risk management.

CybExer Technologies provides cyber range platforms for testing and training.

Cyble provides AI-native threat intelligence and cybersecurity platforms for enterprises and governments.

CybSafe provides an AI-powered platform that helps organisations measure and change security behaviours to reduce breaches.

CyCognito provides a platform that discovers and tests external attack surfaces to identify security exposures.

cycura provides Microsoft tenant security consulting and managed security services for businesses.