Biswas KhatiwadaBuild logs, methods, and technical notes.https://biswas-khatiwada-portfolio.vercel.app/Building a face search engine end to endhttps://biswas-khatiwada-portfolio.vercel.app/writing/building-a-face-search-engine/https://biswas-khatiwada-portfolio.vercel.app/writing/building-a-face-search-engine/What I learned building a small educational face-retrieval system with detection, ArcFace embeddings, and cosine search.Sat, 08 Aug 2026 00:00:00 GMTHow I do reconhttps://biswas-khatiwada-portfolio.vercel.app/writing/ai-era-recon/https://biswas-khatiwada-portfolio.vercel.app/writing/ai-era-recon/My current method for turning hosts, routes, scripts, and responses into a small set of testable questions.Fri, 07 Aug 2026 00:00:00 GMTThe model that finds the bug will defend the bughttps://biswas-khatiwada-portfolio.vercel.app/writing/ai-bug-hunting-pipeline/https://biswas-khatiwada-portfolio.vercel.app/writing/ai-bug-hunting-pipeline/Why I separated discovery from validation in BBHUNTER, and why I require a reproducible request before accepting an AI verdict.Tue, 04 Aug 2026 00:00:00 GMTStarting Shellcathttps://biswas-khatiwada-portfolio.vercel.app/writing/starting-shellcat/https://biswas-khatiwada-portfolio.vercel.app/writing/starting-shellcat/A short note on turning private security notes into an honest record of how I work.Fri, 01 May 2026 00:00:00 GMT