DEFION Security

DEFION is an independent cybersecurity firm protecting organisations across Europe. It covers the full spectrum from strategic advisory and penetration testing to 24/7 threat detection and hands-on incident response. Founded in 2005, it combines offensive security expertise with AI-driven analysis to help organisations respond with visibility, validation, and speed.

DEFION was founded in 2005. It is an independent cybersecurity firm protecting organisations across Europe. The company was built from two strong organisations, though details are not provided in the evidence.

Independent, expert-driven, vendor-neutral cybersecurity partner with AI-accelerated Active Defense approach.

1. DEFION Security - Security Experts, AI-Accelerated
2. About DEFION Security
3. Managed Detection & Response (MDR) | DEFION Security
4. Incident Response & Digital Forensics (DFIR) | DEFION