Cybersecurity directory
The Best Cybersecurity Startups in Europe
Cybersecurity covers the tools and services that protect software, data, identities, and infrastructure from attack. Europe is a strong base for the sector thanks to deep technical talent, strict regulation that rewards privacy by design, and national agencies that set high assurance standards. Many of the most trusted security teams in the region build for global customers from day one.
Why cybersecurity now
Attacks keep rising as more business runs on cloud platforms, APIs, and AI systems, so demand for defensive technology continues to grow. European rules on data protection and resilience push organisations to invest in mature security tooling. Buyers increasingly want vendors that keep sensitive data inside the region, which favours homegrown providers.
16 cybersecurity startups across Europe
A curated, editorial list of European companies.
Aikido Security
Ghent, BelgiumAikido Security provides a developer first platform that scans code, containers, and cloud environments for vulnerabilities.
Bitdefender
Bucharest, RomaniaBitdefender builds endpoint protection, threat detection, and security software for consumers and enterprises worldwide.
Cleafy
Milan, ItalyCleafy runs a fraud detection and response platform that protects online and mobile banking against account takeover and fraud.
Cossack Labs
London, United KingdomCossack Labs provides encryption tools and data security software that help applications protect sensitive information.
Darktrace
Cambridge, United KingdomDarktrace uses machine learning to detect, investigate, and respond to security anomalies across enterprise networks.
Detectify
Stockholm, SwedenDetectify scans web applications and APIs for vulnerabilities using methods crowdsourced from a community of ethical hackers.
Edgeless Systems
Bochum, GermanyEdgeless Systems builds an open source stack for confidential computing that keeps cloud workloads encrypted while they run.
Glasswall
London, United KingdomGlasswall uses content disarm and reconstruction technology to remove hidden threats from files before they reach users.
Hadrian
Amsterdam, NetherlandsHadrian runs an offensive security platform that continuously maps external assets and simulates attacker behaviour to surface weaknesses.
HarfangLab
Paris, FranceHarfangLab develops endpoint detection and response software that protects company devices against malware and intrusions.
Hoxhunt
Helsinki, FinlandHoxhunt runs a human risk management platform that uses phishing simulations and training to change employee security behaviour.
Mitigant
Potsdam, GermanyMitigant provides cloud security posture management that continuously monitors and helps secure multi-cloud environments.
Northwave
Utrecht, NetherlandsNorthwave runs a security operations centre offering monitoring, threat hunting, incident response, and digital forensics.
Secfense
Krakow, PolandSecfense lets organisations roll out multi-factor authentication and passwordless login across applications without changing their code.
Tines
Dublin, IrelandTines offers a no-code automation platform that lets security teams build workflows for alert triage and incident response.
WithSecure
Helsinki, FinlandWithSecure delivers managed detection and response, endpoint protection, and security consulting for enterprises.
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