Krzysztof B.
Gdańsk, Poland · Zeroday Krzysztof B.
Polish-Japanese Institute of Information Technology in Warsaw
2 followers
Specialties
- Bug Bounty
- Ethical Hacking
- Network Penetration Testing
- Penetration Testing
- Web Application Testing
Licenses & Certifications
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OSCP+
Offensive Security
Issued Nov 2025 · Expires Nov 2028
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Offensive Security Certified Professional
OffSec
Issued Nov 2025
Experience
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Self employed
Zeroday Krzysztof B.
Sep 2018 — Present
Remote
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Senior Penetration Tester
OTCF S.A.
Nov 2024 — Oct 2025
Remote
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Web Application Penetration Tester
Bosch
Oct 2022 — Oct 2024
Remote
8 experiences in total
Education
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Polish-Japanese Institute of Information Technology in Warsaw
Bachelor, Computer Science
Oct 2016 — Jun 2020
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Technical University of Gdansk
Bachelor, Applied Mathematics
Oct 2007 — Feb 2011