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0xrcosRyan Camargo — home

Cybersecurity & technology notes — learning in public

About

I'm Ryan Camargo. I study cybersecurity and software, and I keep this site as a public notebook of what I'm learning — labs, CTF write-ups, networking, Linux, programming, and the occasional rabbit hole.

I believe in learning in public: writing things down forces honesty about what I actually understand, and leaves a trail that future-me (and maybe you) can follow.

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Interests

  • Web application security & OWASP
  • Networking (TCP/IP, DNS, HTTP)
  • Linux system administration & hardening
  • Reverse engineering fundamentals
  • OSINT & reconnaissance
  • Security tooling with Python
  • Cloud security basics
  • Privacy & opsec

Currently learning

  • Networking fundamentals (TCP/IP, DNS, HTTP)
  • Linux system administration & hardening
  • Web application security & OWASP Top 10
  • TryHackMe / HackTheBox labs
  • Python for security tooling

Projects

A projects archive is planned. For now, see my GitHub for code and experiments, and the posts page for write-ups.

Contact