Paul Hutelmyer is a Principal Engineer and cybersecurity practitioner with over 15 years of experience designing detection and response platforms for large enterprises and federal clients. He builds full‑stack security systems—from open-source backend file analysis (notably sustained contributions to the enterprise-scale Strelka scanner) to analyst-facing UIs and detection analytics—focused on measurably improving detection efficacy and reducing false positives. At Target he led detection confidence and threat hunting efforts, created a detection analytics platform and deployed an internal generative AI platform to streamline security workflows. He also co-founded and architected an AI-driven detection confidence product that maps real-world coverage across SIEMs, endpoints, and threat feeds. Known for combining hands-on engineering with data-driven metrics, Paul regularly shares research and tooling at conferences and in published posts. Based in Greater Philadelphia, he blends deep incident response and forensics roots with modern applied-AI approaches to close visibility and intelligence gaps.
Real-time, container-based file scanning at enterprise scale
Role in this project:
Backend Developer & Security Engineer
Contributions:19 releases, 73 reviews, 370 commits in 3 years 5 months
Contributions summary:Paul primarily contributed to the backend functionality of the `target/strelka` repository, which focuses on container-based file scanning. Their work involved implementing features related to file scanning and analysis, as shown by the changes in scanning modules for various file types (PDF, DOCX, etc.) and the integration of a CAPA scanner. The user also made security-related updates, such as adding a rule for detecting base64 encoded executables and changes to the code to ensure security best practices.
Contributions:24 releases, 6 reviews, 66 commits in 4 months
pythonweb-uidetectionsiftsecurity
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Paul Hutelmyer - Principal Engineer at CounterMeasure Security