David Cooper
Deputy Section Chief - Global Security Communications
Washington DC-Baltimore Area United States
Summary
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RockstarDavid Cooper is a retired Senior Foreign Service officer and seasoned IT leader with 38+ years managing global communications and security for the U.S. government, currently serving as Deputy Section Chief for Global Security Communications. He has directed worldwide IT operations spanning $20M budgets, 120 personnel, and 180 international sites, with deep expertise in data, voice, wireless, and telecommunications infrastructure across high-risk overseas posts. Known for blending hands-on engineering with leadership, he has built resilient maintenance and training programs and driven measurable customer support outcomes in diplomatic and defense contexts. Complementing his operational career, he contributes to open-source security tooling—improving TLS/SSL testing and OpenSSL client simulations—bringing a pragmatic security-first perspective to large-scale deployments.
11 years of coding experience
3 years of employment as a software developer
Thai, English, Spanish
Github Skills (8)
it-security10
ss10
network-security10
sslv310
ssl10
openssl10
cryptography10
security10
Programming languages (6)
Github contributions (5)
testssl/testssl.sh
Jan 2016 - Nov 2022
Testing TLS/SSL encryption anywhere on any port
Role in this project:
Back-end & Security Engineer
Back-end & Security EngineerContributions:11 reviews, 1009 commits, 586 PRs in 6 years 11 months
Contributions summary:David contributed to improving the security of a TLS/SSL implementation. They worked on analyzing and enhancing security features of the project by modifying and improving OpenSSL-related code. The user focused on fixing vulnerabilities and improving client simulations for testing various aspects of TLS/SSL protocols, specifically adding checks for security features such as HTTP headers, Certificate Transparency, and client authentication.
rc4drownopenssltlsanywhere
dcooper16/openssl
Aug 2017 - May 2020
TLS/SSL and crypto library
Contributions:159 pushes, 5 branches in 2 years 9 months
crypto-librarycryptographysslrsatls
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