Explore the leading Spanish companies specializing in cybersecurity and electronic warfare, a crucial sector for digital defense and protection. This list includes companies offering services ranging from managed SOC and Red Team to threat intelligence and critical infrastructure solutions. Discover the leaders in innovation and security safeguarding systems and data in Spain, contributing to a safer digital environment. An essential resource for professionals, businesses, and anyone interested in the technological security landscape.
Leading global provider in advanced endpoint protection
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Panda Security, a Spanish company, has been a key player in developing advanced cybersecurity solutions, particularly in endpoint protection. Its integration with WatchGuard has strengthened its ability to offer a full portfolio of user-centric security products, maintaining its relevance in Spain's cybersecurity landscape.
Develops electronic warfare systems
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Indra Sistemas develops advanced electronic warfare and cybersecurity solutions, including land-based and airborne electronic attack systems, and self-protection suites. Its technology spans from electronic defense systems to Command, Control, Communications, Computers, Intelligence, Surveillance and Reconnaissance (C4ISR) solutions, which are essential for national security.
Leading company in digital transformation
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Telefónica Tech is a global managed cybersecurity provider delivering end-to-end protection, from strategy and consulting to 24/7 threat detection. Its focus on integrating technologies and its collaboration in the fight against cybercrime position it as a key player in Spain's digital security landscape.
First pure & professional cybersecurity company in Spain
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S21sec is a pioneering cybersecurity company in Spain, founded in 2000, offering advanced solutions for threat detection and incident response. Its expertise and integration with Thales strengthen its capability to protect critical infrastructure and sensitive data, making it a key player in the country's digital security.
Reference company in Europe and Latin America in cybersecurity
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S2 Grupo is a Spanish company with over 20 years of experience in cybersecurity, cyber intelligence, and cyber defense, protecting critical systems in more than 35 countries. Its proprietary technology and team of over 700 experts provide advanced threat detection, security audits, and incident management services, solidifying its position in the sector.
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Strengthens technological capabilities through alliance with BAE Systems
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Amper develops advanced technological and communication solutions for national defense and security, with a strong specialization in electronic warfare and cyber defense. Its over 70 years of experience and the strategic acquisition of Teltronic position it as a key player in strengthening Spain's strategic capabilities in these fields.
Specializes in satellite communications, electronic warfare, SIGINT, and space-based cybersecurity
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Integrasys develops advanced solutions for satellite communications, interference cancellation, and electronic warfare, utilized by international clients. Its AI4RF technology enables real-time sensing and transmission of RF spectrum data, offering unparalleled speed and reliability in carrier under carrier interference detection.
Develops technologies for satellite control, cosmos exploration, and defense
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GMV develops cutting-edge systems and services for the Spanish armed forces, including advanced cybersecurity and electronic warfare solutions. Its strategic collaborations with companies like Indra and EM&E Group enhance its capability to equip combatants with crucial technologies for digitized operations.
Ranked among the best cybersecurity companies in Spain for 2026
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A3Sec provides professional solutions in cybersecurity, device monitoring, business intelligence, and Big Data, excelling in alert management and incident response. Its ARIA SDS technology and data-driven cybersecurity enable organizations to enhance their security posture, reduce risks, and strengthen defenses against cyber threats.
Evolutio is a well-established leader in cybersecurity and cloud services in Spain, with over 30 years of experience protecting businesses and Public Administration. Its focus on proactive threat detection and the use of advanced tools like NDR, SOAR, and UEBA ensure robust, real-time defense against cyberattacks.
Leading cybersecurity services company in Spain
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InnoTec (Accenture) boasts a highly skilled cybersecurity team and over 20 years of experience, enabling it to offer advanced services in cyber defense and risk management. Its integration into Accenture has expanded its reach and capabilities, solidifying its leadership in the Spanish cybersecurity market.
Our ranking is based on a comprehensive evaluation of leading cybersecurity and electromagnetic warfare companies in Spain, utilizing publicly available information and industry recognition.