Hello! My name is Stephen (d33r), and I'm a Senior Red Team Consultant with a focus on enterprise networking, offensive security, red teaming, and purple teaming.
My interests include cryptography, OS internals, OSINT, infrastructure engineering, and home labbing. I also operate networking infrastructure and maintain my own ASN.
- Enterprise Networking
- Red Teaming & Adversary Simulation
- Purple Teaming
- Penetration Testing
- Operating System Internals
- Cryptography
- OSINT
- Infrastructure & Self-Hosting
- Offsec: OSCP, OSEP, OSWP
- Zero-Point Security: CRTO
- CompTIA: Security+, Network+, CySA+, Pentest+, Linux+
- Programming: PCAP (Python Certified Associate Programmer)
I'm always open to collaboration, discussions, and networking.
- Email: blog@0xd33r.com
- Blog: https://0xd33r.com
The opinions, research, and projects published here are my own and do not necessarily reflect the views of my employer or affiliated organizations.





