Cybersecurity defence companies in Estonia

We track 6 cybersecurity companies in Estonia, most of them in Tallinn and Tartu. 3 of them are hiring now, with 5+ open roles. Among them are Cybernetica, Blackwall and Spaceit.

All Cybersecurity Companies in Estonia

CyberneticaTallinn · 51-200 employees · Cybersecurity
3 roles

Builds secure data exchange platforms, digital identity systems and maritime surveillance infrastructure for governments in 40+ countries, with roots in creating the technology behind e-Estonia.

Blackwall logo
BlackwallTallinn · 11-50 employees · Cybersecurity
1 role

AI-powered cybersecurity platform protecting businesses from malicious bot traffic, scrapers, and automated attacks. Rebranded from BotGuard. EUR45M Series B led by Dawn Capital.

SpaceitTartu · 11-50 employees · Space & Satellites
1 role

Develops cloud-based satellite mission control software (MCSaaS) and operates a Space Cyber Range for space cybersecurity training. Spin-off of ESTCube-1, Estonia's first satellite mission. Prime contractor for ESA 4S Space Cyber Range and participant in NATO CCDCOE Locked Shields exercises.

CybExer Technologies logo
CybExer TechnologiesTallinn · 51-200 employees · Cybersecurity
No listed roles

Provides comprehensive cyber security training solutions to increase organizational cyber resilience through advanced cyber range technology. NATO-awarded Estonian company offers highly realistic live-fire exercises that simulate real-world cyber attacks.

GuardtimeTallinn · 201-500 employees · Cybersecurity
No listed roles

Blockchain-based cybersecurity infrastructure securing military, government, and ESA space systems with keyless signature technology.

SkudoTallinn · 1-50 employees · Cybersecurity
No listed roles

Hardware Security Modules and encryption technologies. Advanced cryptographic solutions for defence communications.