Paul Pfeister
New York City, New York, United States
Summary
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Rockstar🎓
Top SchoolPaul Pfeister is a cybersecurity engineer in New York City with eight years of experience blending cloud infrastructure, software development, and product-focused security. He helped build a consumer plug-and-play network security device from the ground up and contributed to a SECaaS offering for ISPs, bringing practical experience in productization and testing at scale. On open source he has strengthened tooling like the popular sherlock project by hardening backend logic against WAFs, improving bot detection, and enhancing HTTP debugging—work that underscores a focus on real-world adversarial resilience. Paul’s background in computer science from NJIT and sporadic but targeted GitHub contributions reflect a practitioner who prioritizes impactful security improvements over broad visibility.
8 years of coding experience
Computer Science, Computer Science at New Jersey Institute of Technology
English
Stackoverflow
1reputation
71reached
0answers
1question
Github Skills (10)
cybersecurity10
it-security10
osi10
python10
security10
r9
error-handling9
http8
tooling8
eclipse6
Programming languages (17)
Github contributions (5)
sherlock-project/sherlock
Feb 2024 - Mar 2025
Hunt down social media accounts by username across social networks
Role in this project:
Backend & Security Engineer
Backend & Security EngineerContributions:1 release, 87 reviews, 128 PRs in 1 year 1 month
Contributions summary:Paul primarily focused on improving the security and robustness of the Sherlock tool. Their contributions involved identifying and mitigating WAF (Web Application Firewall) blocks by adding specific fingerprints. They also enhanced the system's resilience by addressing and expanding error code handling, and improving bot detection. Further, they made modifications to the User-Agent, and added support for debugging HTTP responses.
pythonosintclihuntpython3
ppfeister/Windex
Feb 2024 - Jun 2024
Windows Bloatware and Telemetry Mitigation Tools
Contributions:4 releases, 11 PRs, 98 pushes in 3 months
bloatware-removaldebloatperformanceprivacytelemetry
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