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Cristhian Kapelinski

Cybersecurity Researcher | Full-Stack Engineer | Algorithmic Problem Solver

Computer Science Student at UNIPAMPA
Building privacy-preserving infrastructures and high-reliability software systems.


⚡ Professional Impact & Research

I operate at the intersection of Information Security and Software Engineering, applying rigorous algorithmic foundations to build secure and scalable systems.

🛡️ Security & Privacy Engineering (RNP)

As a Cybersecurity Research Fellow at Brazil's National Research and Education Network:

  • Architected AnonLFI 2.0: A modular framework for PII pseudonymization in CSIRTs compliant with GDPR/LGPD.
  • Performance Optimization: Achieved a 136x throughput improvement (2kbps → 272kbps) by implementing streaming processors and caching strategies.
  • Cryptography: Implemented HMAC-SHA256 reversible pseudonymization to enable secure threat intelligence sharing.

🏭 Enterprise Software Engineering (Alice Humam / Petrobras)

As a Full-Stack Developer working on reliability analysis platform:

  • Testing Culture: Architected a Jest testing suite from scratch, elevating code coverage from 0% to 90% on critical components.
  • Stack: Developing statistical analysis tools using FastAPI (Python) and React/Next.js (TypeScript) in partnership with CeMEAI.

📚 Selected Publications (2025)

My research focuses on automating vulnerability management and privacy preservation.

Paper Context
AnonLFI 2.0: Extensible Architecture for PII Pseudonymization in CSIRTs with OCR and Technical Recognizers Author — Presented at ERRC 2025 (WRSeg). Achieving 100% precision in OCR/PDF scenarios.
Structured Extraction of Vulnerabilities in OpenVAS and Tenable WAS Reports Using LLMs Co-author🏆 2nd Best Paper Award at ERRC 2025.

🛠️ Technical Arsenal

Core & Algorithms Backend & Systems Frontend Security & Ops
  • Competitive Programming: Active competitor in ICPC (Silver Medal Regional 2025, 3rd Place RS Fase Zero).
  • Security Tools: OpenVAS/GVM, Tenable, Cryptographic Standards (NIST), GDPR Compliance.

Pinned Loading

  1. AnonShield/AnonLFI2.0 AnonShield/AnonLFI2.0 Public

    Extensible PII pseudonymization framework for CSIRTs. Features OCR, technical entity recognition, and structure-preserving masking (JSON/XML) to balance GDPR compliance with threat analysis utility.

    Python 3

  2. LabVulnerabilities LabVulnerabilities Public

    Comprehensive containerized security lab with 158+ vulnerable services (OWASP, CVEs, Databases, DevOps). Features an isolated network, unified orchestration, and a production-grade automated OpenVA…

    Python 2

  3. kubernetes-client-server-load-test kubernetes-client-server-load-test Public

    Automated load testing suite to compare TCP server performance in Go and C++ orchestrated via Kubernetes, with analysis and graph generation.

    Python

  4. syntheticdata--generator syntheticdata--generator Public

    A flexible web tool to generate synthetic CSV datasets using Regex patterns, Gaussian distributions, and Linear trends. Built with FastAPI and Alpine.js.

    Python