logo svg
logo

October 1, 2025

Top Penetration Testing Companies in Greece 2025

According to the Hellenic Data Protection Authority, incidents involving ransomware and data breaches increased by more than 40% in 2023

Mohammed Khalil

Mohammed Khalil

Featured Image

Top 10 Penetration Testing Companies in Greece

Why Penetration Testing Matters in Greece Now

Penetration Testing Companies in Greece

Penetration Testing Companies in Greece

Greek organizations from hospitals to ministries to payment and logistics have experienced real operational impact:

This is not theoretical, it’s downtime, disclosure obligations, lost trust, and high costs of ransomware incidents in Greece 2025.

Penetration testing vs Automated Scans

Unlike automated tools, a web application pentest or mobile application pentest chains flaws like authentication bypass, SSRF, or misconfigurations into real-world attack paths that demonstrate actual business impact. Professional testers follow recognized methodologies such as the Penetration Testing Execution Standard (PTES), OWASP Testing Guide, and NIST SP 800-115, ensuring that engagements go beyond surface-level vulnerability checks.

Regulatory drivers:

Greece’s Leading Penetration Testing Companies

Below are the top 10 penetration testing companies in Greece, structured consistently with the New Zealand reference.

DeepStrike Continuous, Manual-First Pentesting (PTaaS + Red Team)

deepstrike's role in market

deepstrike's role in market

Services: Offers a broad penetration testing portfolio including:

Certifications & Compliance:

Clients: Mid-market and enterprise in Greece & EU

Pricing:

Key Strength:

Verdict: DeepStrike is the no.1 penetration testing company in Greece for organizations adopting modern, DevOps-aligned continuous pentesting.

CENSUS S.A. CREST-Accredited & Code Security

Services:

Certifications & Compliance:

Clients: Finance, maritime, software, telecom, healthcare

Pricing: Bespoke, premium for deep code audits

Key Strength: Research-driven, strong in manual code review for root-cause fixes

Verdict: A top choice in Greece for code-heavy environments needing in-depth audits.

TwelveSec Application-Centric Assurance

Services:

Certifications & Compliance:

Clients: Global 2000, IGOs, Greek public sector

Pricing: Project-based, training packages optional

Key Strength: Strong in pentester web and application-focused engagements

Verdict: Ideal for organizations needing application-centric assurance with consultant-led delivery.

Obrela Security Industries Pentesting + 24×7 MDR

Services:

Certifications: Enterprise-grade, banking-standard reporting

Clients: Large enterprises & critical sectors across EMEA

Pricing: Project or program-level

Key Strength: Direct integration of pentest outputs into continuous monitoring (MDR)

Verdict: Best sited for enterprise environments where red and blue teams must align.

ADACOM Compliance-Aware Pentesting

Services:

Certifications: NIS2, GDPR, ISO frameworks

Clients: Enterprises & public sector

Pricing: Programmatic

Key Strength: Blends technical testing with compliance readiness

Verdict: Strong for regulated organizations needing compliance-first pentesting.

Odyssey Cybersecurity Pentest + CTEM Programs

Services:

Clients: Finance, critical infrastructure, large enterprise

Pricing: Project & subscription programs

Key Strength: Converts pentest findings into prioritized resilience improvements

Verdict: Good fit for organizations adopting continuous exposure management.

Secmentis Greece-Wide Pentesting (incl. Physical)

Services:

Clients: SMEs to mid-market, multi-city operations

Pricing: Engagement-based

Key Strength: On-site coverage across Greece with pragmatic delivery

Verdict: Best for businesses needing local, flexible pentest coverage.

How to Choose a Pentest Partner in Greece

When preparing a penetration testing proposal or penetration testing RFP, organizations should evaluate providers across several key dimensions. The goal is not just to select a vendor that can “run tests,” but to engage a partner who understands Greek regulations, sector-specific risks, and modern attack surfaces.

penetration testing proposal

Key Penetration Testing Services

Top cyber security companies in Greece typically cover:

Step-by-Step Penetration Testing Process

Common Mistakes Greek Organizations Should Avoid

Cybersecurity for Greek Businesses

With cyber threats escalating, network security companies and penetration testing providers are no longer optional but essential partners for resilience. Choosing a partner with depth in manual pentesting, continuous validation, and compliance-ready reporting can be the difference between an avoided breach and costly downtime.

DeepStrike is trusted by customers across industries in Greece and Europe, offering a portfolio of services tailored to modern business needs:

Penetration Testing Services

Our core penetration testing services cover the full attack surface:

Every engagement follows international pentest frameworks (OWASP, PTES, NIST SP 800-115), and delivers actionable reports with CVSS ratings, exploit narratives, and prioritized remediation.

Continuous Pentesting (PTaaS)

Security is not a one-off event. Our Continuous Pentesting (CPT) model blends:

This continuous security testing approach means flaws are caught in weeks not months shrinking the window attackers have to exploit them.

Web Application Pentesting

Our web application pentests simulate real-world attacker scenarios against:

We also include secure coding guidance and retesting to ensure fixes hold. For developers, this doubles as a pentest framework to improve the SDLC.

Mobile Application Pentesting

Our mobile application pentesting services focus on both iOS and Android:

We use proven mobile app pentesting tools alongside manual exploitation to uncover real-world risks, ensuring mobile-first organizations stay secure.

About the Author

Mohammed Khalil, Cybersecurity Architect at DeepStrike

Learn more About Us or explore career opportunities at Careers.

penetration testing proposal

penetration testing proposal

FAQs Penetration Testing in Greece

External internet-facing perimeterInternal assumes attacker foothold (VPN, rogue insider)

Define scope, assets, compliance needs, and review penetration testing RFP best practices.

background
Let's hack you before real hackers do

Stay secure with DeepStrike penetration testing services. Reach out for a quote or customized technical proposal today

Contact Us