Patrik Sivak

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Embedded Security Engineer - Linux

Samsung Electronics - R&D Center Poland

Jan 2025 - Current (1 year 7 months)

• Working on implementing and validating security solutions within the automotive team, • Implementing secure boot and other protections, working within the Arm TEE (Trusted Execution Environment)

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Independent Security Researcher

Feb 2024 - Current (2 years 6 months)

• Actively contributed to vulnerability disclosure programs, reporting critical flaws in systems such as Microsoft Defender for Endpoint network filters and other enterprise solutions. • Conducted advanced reverse engineering of malware samples, mapping TTPs and identifying IoCs predominantly for Russian-based threat groups, publishing research under aliases. • Designed proof-of-concept (PoC) exploits to demonstrate vulnerabilities in Windows kernel structures, enhancing understanding of low-level OS internals. • Leveraged expertise in cyber threat intelligence (CTI) and infrastructure analysis to track adversary activity and improve detection mechanisms. • Documenting windows kernel structures in collaboration with the Vergilius proje

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SOC Senior Analyst

ISS World Services AS

Jun 2023 - Current (3 years 2 months)

• Conducted advanced digital forensics and incident response (DFIR), serving as an L3 escalation point for high-severity security incidents. Coordinating incident response teams and public communication. • Reverse engineered malware across platforms, including x86 binaries and mobile APKs, to identify vulnerabilities and improve defensive measures. • Designed and executed adversary emulation and purple team operations, leveraging threat intelligence to develop robust detection and prevention strategies • Led threat hunting campaigns targeting emerging threats, developing and tuning detection logic using behavioral analysis and attack pattern matching. • Created and deployed custom detection rules for EDR/XDR solutions, improving sensor

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Research Software Engineer

Cambridge Institute of Astronomy

May 2023 - Aug 2024 (1 year 4 months)

• Optimized data processing pipelines in C++ for Gaia satellite photometry, ensuring scalability and performance across a dataset exceeding 150TB. • Designed and implemented high-performance algorithms for parsing and evaluating database records, contributing to efficient large-scale data analysis. • Developed and maintained a Kubernetes-based cluster, enabling scalable and distributed processing of astronomical data.

Co-founder and Chief Technology

Chance

Sep 2022 - Current (3 years 11 months)

Officer Remote • Developing cloud architecture for the platform using on AWS. Leading the development efforts for implementation. • Creating CI/CD testing pipelines utilizing CircleCI, ensuring seamless, safe and continuous deployments. • Ensuring strict adherence to GDPR and US regulatory standards for data protection. Currently building towards ISO27001 compliance. • Optimizing routing and security using among others CloudFlare solutions. • Creating and maintaining development budgets. • Leading the global team of over 25 people across various functions.

Machine Learning Intern

Nomagic

Apr 2022 - Sep 2022 (6 months)

• Working in the MLOps team to optimize the performance of the ML models for pick and place robots. • Improving the performance visibility through connecting models to the orchestration/monitoring platform ClearML.

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Research Assistant and Software Engineer

Astronomical Observatory of the University of Warsaw

Sep 2021 - Jun 2024 (2 years 10 months)

• Participating in the development of a global microlensing observation coordination portal based on the TOM toolkit in Django. • Co-authored an international research paper on high parallax gravitational microlensing event in the Milky Way. • Creating automation scripts in python, for example, optimizing a 2 hour excel task by 90% to 10 minutes.

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Organizer

World of Chances

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Cybersecurity guest lecturer

Warsaw Polytechnic Universitty

Cybersecurity guest lecturer

Warsaw University of Technology

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person

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