Contact

Let's talk about defending what's yours.

Audits, adversary simulation, detection engineering, NIS2 / ENS consulting or a technical coffee to discuss your stack. Tell me the problem and I will reply within 24 hours.

[email protected]

The fastest channel and the one I check most.

mario-martin-feliz

Best if you are after references or professional context.

GitHub

github.com/cyberknight91

Where the lab work lives.

YouTube · CyberKnight

@cyberknight91

AI, cybersecurity and hacking — after hours.

Availability

Open to one-off projects and ongoing consulting.

Working remotely from León (UTC+1 / +2), available for on-site meetings in Castilla y León.

contact.sh

visitor@cyberknight $ mail --resolve mario

[OK] [email protected]

visitor@cyberknight $ whois cyberknight91

github : github.com/cyberknight91

linkedin : mario-martin-feliz

location : león, es

timezone : cet / cest (utc+1 / +2)

visitor@cyberknight $ ping cyberknight.es

64 bytes from cyberknight.es: time=12ms

64 bytes from cyberknight.es: time=11ms

[OK] reachable

visitor@cyberknight $

Working languages

Spanish Native
English C1 (Oxford)
French B2