David Bryan
Self Employed
Minnesota, United States
Summary
👤
SeniorDavid Bryan is a Principal Consultant with 13 years of hands-on experience helping organizations across financial, energy (including nuclear), healthcare, education, and pharmaceutical sectors understand and reduce cyber risk. He specializes in penetration testing, security assessments, and firewall reviews, and holds the CISSP credential that underpins his practical, standards-driven approach. At NetSPI he focuses on hardware, embedded systems, and mainframe security, bringing rare domain expertise to areas often overlooked in assessments. He also runs a neighborhood wireless ISP, giving him operational insight into real-world networking constraints and resilience. A longtime volunteer and organizer in the infosec community—helping run THOTCON and DEF CON networks—he prioritizes openness and skills-sharing to level the field. That blend of consulting rigor, field operations, and conference leadership makes him a pragmatic advisor for complex, high-stakes environments.
13 years of coding experience
Github Skills (98)
reader10
mifare10
nfc10
http-authentication10
sniffer10
simulate10
reader-writer10
mdns10
rfid10
responder10
raspbian9
authentication9
ntlm9
raspberry9
vcenter9
Programming languages (8)
Github contributions (5)
videoman/RPICatFeeder
Mar 2014 - Apr 2019
Contributions:26 commits, 8 pushes in 5 years 2 months
videoman/proxmark3-web
Oct 2019 - Jun 2022
Python Flask Web Interface for proxmark3 RDV4 hardware.
Contributions:1 review, 16 commits, 1 PR in 2 years 9 months
pythonweb-interfaceproxmark3raspbianflask
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