Andrzej Skrzydło
@andrzejskrzydo
I uncover and demonstrate exploitable security risks across web, infrastructure, AI/LLM, and wireless systems.
PolandWhat I'm looking for
At DataArt, I've delivered 450+ security assessments, running 50–70 penetration tests annually for clients across payments, e-commerce, healthcare, software, logistics, and manufacturing.
I test web applications, APIs, external infrastructure, wireless networks, and LLM-based applications, including prompt injection, cross-boundary data leakage, and tool or plugin abuse. I focus on chaining weaknesses into working attack paths and proof-of-concept exploitation rather than reporting theoretical risk.
Previously, at EY, I performed web and mobile application testing and reviewed architecture-level security controls. My software engineering background at GlobalLogic includes cryptographic mechanisms, secure communications, and low-level embedded protocols, and I developed DataArt's internal Wi-Fi testing methodology.
Experience
Work history, roles, and key accomplishments
Penetration Tester
DataArt
Oct 2019 - Present (6 years 10 months)
Delivered 50-70 penetration tests per year for clients across multiple industries, working as the sole tester on most engagements. Assessed 20+ applications built on large language models and developed the internal Wi-Fi penetration testing methodology.
Education
Degrees, certifications, and relevant coursework
University of Science in Wroclaw
Bachelor, Power Engineering
Availability
Location
PolandAuthorized to work in
Job categories
Skills
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