Overview
Pepijn van der Stap is a 24-year-old Dutch national arrested September 15, 2026 in Amsterdam as part of an investigation into shinyhunters. Previously known online as “Umbreon,” he was convicted in 2023 for hacking and extortion and was on probation at time of re-arrest.
Recent Developments
- 2026-09-15: Arrested by Dutch DSI at Amsterdam home; devices seized (2026-09-29-shinyhunters-bleepingcomputer-arrest)
- 2026-09-29: Rotterdam court ordered 90-day pretrial detention; laptop evidence of alleged murder-solicitation abroad under separate investigation (2026-09-29-shinyhunters-hacker-arrest-murder-plot)
- FBI Cyber Division lead Brett Leatherman confirmed arrest; ShinyHunters denies association
ShinyHunters leadership attribution is alleged — group denies link. Presumption of innocence applies to all charges.