Cybersecurity defence companies in Spain
We track 5 cybersecurity companies in Spain, most of them in Barcelona and Madrid. 1 of them is hiring now, with 1 open roles. Among them are QuSide, Alias Robotics and authUSB.
All Cybersecurity Companies in Spain
Builds quantum random number generators and randomness processing units that give encryption systems a hardware-verified source of entropy, covering embedded chipsets through to cloud-scale computing.
Vitoria-based cybersecurity company that started with robot pen-testing and now builds CAI, an agentic AI platform for offensive and defensive security operations. Selected for NATO's DIANA innovation programme.
Vigo-based cybersecurity company building SafeDoor, a hardware device that protects computers against USB-vector attacks across software, hardware and electrical layers. Customers include Spain's Ejército de Tierra, nuclear installations and critical infrastructure operators.
Provides deception-powered threat intelligence solutions for active cyber defence. Creates controlled, deceptive environments that mimic organizational infrastructure to lure attackers away from real assets while gathering comprehensive threat intelligence.
Madrid cybersecurity startup providing hardware-based encryption and authentication for IoT communications, giving machines unique identities. Signed an agreement with Indra to join the FCAS programme and collaborated with the Spanish Air Force on the BACSI project.
