Top 20 Cybersecurity Companies in Greece (2025)

2. NVISO Greece

Head Office: Brussels, Belgium (offices in Athens & Thessaloniki)

Established: 2013

Specialized in: Threat Detection, Red Teaming, SOC Services

NVISO ranks second on our list due to its leading cybersecurity expert and intelligent investments in Greek cyber experts. The company has a headquarters in Belgium, but its operational base is in Athens, with its operations to be soon based in Thessaloniki.

NVISO offers high-impact services that are relied upon by top banks, telecom leaders, and public sector clients. Their participation has been included in the Greek Cybersecurity Challenge and collaboration with universities to make sure they are investing in local skill-building. Their 

The main solutions are:

• Managed SOC services with 24/7 monitoring
• Advanced threat detection and incident response
• Red Team and Purple Team simulations
• Security architecture and compliance consulting

With its pool of certified professionals and EU compliance expertise, NVISO continues to be the market leader in Greece’s cybersecurity sector. 

3. Hack The Box

Headquarters: London, UK (with R&D conducted in Athens)

Founded: 2017

Specializing in: Cybersecurity Learning, Ethical Hacking Training Platforms

Hack The Box is in the third position, transforming cybersecurity training with gamified, live-hacking labs. Greek entrepreneurs started the business with a significant development footprint in Athens and are providing services to more than 1 million users globally.

Their platform is used extensively by Fortune 500 firms and security professionals for ongoing learning and proving their skills. 

Some of their key features include:

• Lifelike team and individual hacking drills
• Corporate labs for employee upskilling
• Global certifications (e.g., HTB CPTS) are accepted worldwide
• Community-based content and capture-the-flag challenges

Hack The Box is not only a training site but a worldwide phenomenon fueling the cybersecurity profession, with Greek talent at its core.

4. Obrela Security Industries

Headquarters: Athens

Founded: 2009

Specialization: Cyber Risk Management-as-a-Service (CRaaS)

Obrela is the fourth prescriptive cyber security vendor. Headquartered in Athens, the company provides a better and smarter CRaaS solution that is relied upon by clients from high-risk sectors like energy, finance, and telecom.

On an ongoing basis, they provide 24/7 risk management via their proprietary platform that includes real-time analytics, threat intelligence, and automation. 

Core services are:

• Managed Detection and Response (MDR)
• Cyber Risk-as-a-Service 24/7
• Breach simulation and threat modeling
• AI-powered incident prediction and orchestration

Through substantial venture capital funding and European-wide partnerships, Obrela is assisting companies in Greece and globally to stay cyber resilient amidst a constantly changing threat environment.

5. ForAllSecure

Headquarters: United States (Greek co-founder: Thanassis Avgerinos)

Founded: 2014

Specialization: Autonomous Application Security Testing

ForAllSecure stands in the fifth position, utilizing autonomous fuzz testing to discover software vulnerabilities before they become threats. With Greek brilliance coursing through its veins, the organization collaborates hand-in-glove with defense establishments and academia.

Mayhem is the company’s lead product that provides real-time security to DevSecOps teams and vulnerability discovery automation within software ecosystems. 

Solutions include:

• Autonomous fuzzing of CI/CD pipelines
• Unification of static and dynamic analysis
• Support for multi-language and containerized apps
• Compliance reporting for secure SDLCs

ForAllSecure’s Greek engineering teams and R&D activities keep pushing application security to a worldwide level.

6. Future

Headquarters: Zurich, Switzerland (Co-founder: Nikos Karapanos, Greece)

Established: 2016

Specialization: Authentication & Zero Trust Security

Sixth is Futurae with its second-generation authentication platform, easily able to protect digital identities. The Zurich company, co-founded by Greek entrepreneur Nikos Karapanos, offers frictionless access through passwordless and multi-factor authentication.

Futurae solutions are designed for fintechs, insurers, and hospitals that need secure, scalable, and user-friendly security architectures. 

Core offerings:

• One-tap MFA and biometric sign-in
• Zero Trust integration with business apps
• Mobile and web SDKs for onboarding securely
• Risk-based adaptive authentication

The company’s SDKs and API-based solutions are picking up pace among Greek businesses who desire to scale frictionless security.

7. Cylera

HQ: New York, USA (Greek co-founder: Paul Bakoyiannis)

Year of establishment: 2017

Specialization: Healthcare Cybersecurity & IoT Defense

Cylera, ranked seventh, is an expert in protecting healthcare networks and hospitals from emerging cyber-attacks. It was founded by Paul Bakoyiannis, and the company is a top organization in the security of European medical IoT devices.

Additional scrutiny by EU healthcare watchdogs and regulators is complemented by Cylera’s Greek footprint in the following:

• Device threat detection and monitoring, and device behavior
• Risk scoring and network segmentation
• GDPR, NIS2, and HIPAA compliance
• AI-powered anomaly detection and alerting

As healthcare is digitizing at a pace that continues to accelerate, Cylera’s solution provides patient information and life-saving devices with the protection they need.

8. Malloc

HQ: Nicosia & Athens

Established: 2020

Area of expertise: Mobile Privacy & Anti-Surveillance Tools

Malloc is an eighth-ranked company as a separate cyber consulting firm in the field of privacy technologies with offerings protecting against spyware and unauthorized intrusions. Its flagship product, Antistalker, has been downloaded more than 500,000 times, highlighting growing consumer demand for digital privacy.

The company also offers mobile security SDKs that are utilized by telcos and OEMs. Its solution includes:

• Microphone and camera access monitoring
• Detection of spyware on iOS and Android
• Privacy dashboards to allow user transparency
• SDK integration for privacy-by-design mobile apps

Backed by global grants and accepted in EU privacy initiatives, Malloc is rapidly gaining ground as an industry benchmark solution for privacy-focused mobile experiences in Greece.

9. Panther

Headquarters: San Francisco, USA (Extremely robust R&D in Greece)

Founded: 2018

Specialization: Cloud-native Security Information and Event Management (SIEM)

Panther is in ninth place with cloud-native threat detection for new cloud infrastructure. Based in the US, Panther developed a strong bench of Greek cybersecurity engineers headed by their detection-as-code platform.

The solution has a legacy of disrupting mainstream SIEM products with a developer-first approach to security. Its key features include:

• Real-time ingestion and scale analysis of logs
• Interoperability with infrastructure-as-code
• Native support for AWS, GCP, Azure, and Kubernetes

Pre-baked rules and programmable detection logic

With clients such as Coinbase and Dropbox, Panther’s Greek team is at the forefront of safeguarding some of the world’s most valuable data assets.

10. Laika

Headquarters: New York, USA (Co-founder: Eva Pittas, Greek-American)

Founded: 2019

Specialization: Compliance Automation & Audit Readiness

Rounding out the top five is Laika, a compliance technology company founded by Greek-American Eva Pittas that is rapidly growing. The platform assists companies in automating and streamlining compliance activities, especially helpful for Greek SaaS and fintech companies that are expanding globally.

Laika’s key features are:

• End-to-end SOC2, ISO 27001, HIPAA readiness
• Policy templates and control mapping
• Collaboration tools for auditors
• Continuous monitoring and automated evidence collection

As regulatory needs continue to rise, Laika’s easy-to-use platform presents Greek businesses with a prudent avenue to grow in safety and obey global standards.

Here’s a continuation and polishing of the content, ensuring Qualysec stays at the top, and maintaining the structure and clarity for the remaining entries:

11. Trellix Greece

Headquarters: Milpitas, California (Operational Hub in Athens)

Specialization: Extended Detection & Response (XDR), Endpoint Security, Threat Intelligence

Trellix, formed from the merger of McAfee Enterprise and FireEye, offers modern threat detection through its adaptive XDR platform. Its Greek operations support regional enterprises with integrated threat prevention, detection, and response services. Trellix combines behavioral analytics, machine learning, and global threat intel to pre-empt complex attacks.

Core services include:

• Unified XDR for endpoint, network, and cloud visibility
• Proactive threat hunting and forensics
• Integration with existing SIEM tools
• Scalable defense across hybrid environments

Trellix Greece is a trusted partner for banking and government sectors that require layered cyber resilience.

12. Toka

Headquarters: Tel Aviv, Israel (R&D and Intelligence Units Engaged in Greece)

Founded: 2018

Specialization: Cyber Operations & Lawful Hacking for Government Agencies

Toka collaborates with democratic governments to modernize national security operations through advanced cyber capabilities. While headquartered in Israel, their elite research and operational collaborations with Greek intelligence and defense agencies help improve national cyber posture.

Key offerings:

• Lawful intercept and cyber investigation support
• Advanced OSINT and mobile data exploitation
• Tailored cyber training and strategic cyber mission planning
• Advisory on counter-disinformation and hybrid threats

Toka’s high-trust work in cyber diplomacy and digital defense contributes significantly to Greece’s national security frameworks.

13. Logstail

HQ: Athens, Greece

Founded: 2017

Specialization: Log Management, Threat Detection, Observability

Logstail itself is among the top-ranked Greek cybersecurity for small businesses with affordable and resilient SIEM solutions tailored for small and medium enterprises. Logstail’s cloud-native solution enables teams to centrally log, keep an eye on system activity, and identify threats early without paying the hefty fee usually needed for solutions on an enterprise level.

Logstail technology is greatly preferred by Greek startups, IT companies, and educational institutions willing to implement cybersecurity monitoring in the absence of infrastructure investment. Some of its features are:

• Real-time log notification and analytics
• Pre-configured threat detection playbooks
• Observability and compliance dashboards
• Scaling architecture to suit high-growth companies

With Greek businesses getting more selective regarding cybersecurity infrastructure at low costs, Logstail has the timeliness to fill the need for an easy, low-cost platform.

14. IBM Greece

Headquarters: Armonk, New York (Athens Regional Office)

Specialization: Enterprise Cybersecurity, Threat Intelligence, Zero Trust

IBM Greece is still a player in Cybersecurity Companies in Greece. Using its global experience and advanced threat detection technology, IBM safeguards Greece’s biggest banks, telcos, and government agencies with customized security solutions.

With an Athens headquarters, IBM provides consulting, integration, and operations support for products such as QRadar SIEM and Guardium. Key services are:

• Threat intelligence with IBM X-Force
• Deployment of zero-trust architecture
• Security operations consulting
• Data protection and compliance services

IBM’s strategic university and government partnerships also help develop the workforce and enhance cybersecurity awareness in Greece.

15. Cisco Greece

Headquarters: San Jose, California (Regional Office in Athens)

Specialism: Network Security, Secure Cloud Access, Endpoint Protection

Cisco is a pillar of Greece’s national cybersecurity infrastructure, offering assistance to the public and private sectors via network security solutions of the utmost quality. With its operations in Athens and local allies, Cisco offers on-premises and cloud-based solutions, such as:

• Cisco Umbrella for cloud-based security
• SecureX platform for threat response and orchestration
• Next-generation firewalls and VPN technologies
• Identity and access management tools

Apart from the Greek government, Cisco is also involved in national digital transformation initiatives and provides certifications for upskilling Greek cybersecurity professionals.

16. Fortinet Greece

Headquarters: Sunnyvale, California (Strong MSP presence in Greece)

Specialization: Firewall, Endpoint, and Cloud Security

This is the leading new solution for Greek companies and managed service providers (MSPs). Fortinet provides end-to-end solutions ranging from firewalls, SD-WAN, and secure access to endpoint protection. Fortinet delivers integrated security at scale.

• Greek universities are utilizing:
• FortiGate next-generation firewalls
• FortiEDR and FortiClient endpoint security
• Security Fabric platform for single-pane-of-glass management
• Training by Fortinet’s NSE course specifically

Fortinet’s co-op with MSSPs and Greek schools has established it as a leading player in the education arena of cybersecurity and infrastructure revitalization.

17. Check Point Software Technologies

HQ: Tel Aviv, Israel (Has partners in Greece)

Specialty: Network Security, Threat Prevention, Cloud Security

Check Point is integral to cyber security service providers within Greece’s defense, telecommunications, and education industries. Their one-stop firewall, endpoint, and cloud security solutions are widely used through reputable Greek partners.

Core offerings:

• Check Point’s Threat Intelligence Lab research
• SandBlast zero-day protection
• CloudGuard for cloud-native security
• Security gateways and mobile protection

With growing sophisticated cyber threats, Check Point’s dynamic solutions enable us to safeguard critical infrastructure and meet European regulatory standards.

18. Mandiant (formerly FireEye, acquired by Google Cloud)

Headquarters: Milpitas, California (Services the public and finance sectors in Greece)

Specialization: Incident Response, Threat Intelligence, Cyber Forensics

Mandiant is the preferred incident response partner of several high-profile Greek institutions, including government agencies and banks. They specialize in addressing advanced persistent threats (APTs) and provide:

• Rapid response in breach incidents
• Active compromise analysis and threat hunting
• Strategic advisory for nation-state attacks
• Deeper threat intelligence from the Google Cloud ecosystem

Mandiant’s services prove especially useful to national security and critical infrastructure security against targeted cyberattacks.

19. AVG Technologies (by Avast)

Headquarters: Prague, Czech Republic (Active consumer presence in Greece)

Specialization: Antivirus, Privacy Tools, Small Business Security

AVG Technologies is still a household name for security among Greece’s home and micro-business customer base. Even though not enterprise-oriented, AVG provides security solutions that shield thousands of Greek consumers every day.

Core offerings:

• Free and paid antivirus solutions
• Ransomware and phishing protection
• Safe browser and VPN add-ons
• Lightweight endpoint security for small offices

With local presence and high adoption levels, AVG is a leading enabler of cybersecurity awareness for non-technical Greek users.

20. Trust-IT Services Greece

HQ: Pisa, Italy (branch office in Athens)

Specialization: Cybersecurity Awareness, EU Policy Support, SME Enablement

Trust-IT Services targets the Greek cybersecurity market through education, outreach, and EU-funded digital transformation programs. Trust-IT drives collaboration with Greek higher education and public sector partners to enhance SMEs’ resilience and compliance.

Key contributions are:

• National and EU-wide awareness campaigns
• Policy advice on digital security policy
• Training documentation for NGOs and universities
• Horizon Europe project strategic communications

Through its Athens headquarters and strong EU links, Trust-IT builds up Greece’s ability to counter changing cyber threats at a local level.