Sidney J Email
Senior Penetration Tester @ The Trusted Third Party (TT3P)
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Sidney J Location
- Netherlands
Sidney J Work
- 2024 - now Senior Penetration Tester @
- 2023 - now Penetration Tester @
- 2025 - now Lead Pentester @
- 2023 - now Security Researcher @
- 2024 - now Founder and Principal Security Consultant @
- 2021 - 2026 Officier Specialist @
- 2020 - 2021 Penetration Tester @
- 2018 - 2020 Junior Penetration tester @ Trainee Factory
- 2019 - 2020 Penetration Tester @
- 2018 - 2018 Graduation intern @
Sidney J Education
- De Haagse Hogeschool / The Hague University of Applied Sciences
(Safety and Security Management Studies)
2014 - 2017 - University of Amsterdam
minor (Intelligence studies)
Sidney J Summary
- Sidney J, based in Netherlands, is currently a Senior Penetration Tester at The Trusted Third Party (TT3P). Sidney J brings experience from previous roles at Cobalt, Synack Red Team and Crimson Sentinel. Sidney J holds a 2014 - 2017 De Haagse Hogeschool / The Hague University of Applied Sciences.
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Paul Duifhuizen
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The Hague, ZH, NL
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