Citadelo

Citadelo is a team of ethical hackers that tests how well companies protect their systems and data. It runs simulated attacks that reveal weaknesses without causing damage, and has done this kind of work since 2006.

What Citadelo offers

• Penetration testing — finds vulnerabilities in systems, infrastructure and processes and supports compliance with standards such as PCI DSS, DORA, NIS2, ISO 27000 and GDPR.
• Red teaming — a close imitation of a real attack, including threat-led penetration tests.
• Social engineering tests — phishing and vishing campaigns that show the risk from human error.
• AI and LLM security — assessments for systems that use artificial intelligence.

Who it works with

Organisations in medical technology, industry and the financial sector, including large international companies.

Key facts

• Experience: 14 years of ethical hacking
• Team: 47 certified professionals
• Projects: more than 3,000 assessed
• Research: over 20 officially assigned CVEs