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Threat IntelligenceSep 28, 2026

Dutch Police Arrest ‘Reformed’ Hacker in Shiny Hunters Investigation

Dutch police arrest alleged ShinyHunters associate; group escalates attacks.

Dutch authorities have arrested Pepijn van der Stap, a convicted cybercriminal, on suspicion of aiding the ShinyHunters group. Following his arrest, ShinyHunters reportedly escalated attacks, stealing data from the FBI and extorting the Cl0p ransomware group. Van der Stap, previously convicted for data theft and extortion, had claimed to be reformed and was working in cybersecurity.

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The lesson from this incident

Full lesson

Pepijn van der Stap, a previously convicted cybercriminal, was permitted to work in the cybersecurity industry despite a documented history of data theft and extortion — illustrating a critical failure in personnel vetting and access control. His alleged involvement with ShinyHunters demonstrates how insider threats can originate from individuals with privileged knowledge of security systems and methodologies. The subsequent escalation of attacks following his arrest — including data theft from the FBI and extortion of the Cl0p group — underscores how a single compromised actor can amplify broader criminal operations. This case highlights why trust must be continuously verified rather than assumed based on self-reported reform, particularly in roles that grant access to sensitive systems and intelligence.

Indicators of Compromise

Extracted by AI from the linked source. Not reviewed by an editor. How this works

  • malware — ShinyHunters
  • malware — Cl0p
  • mitre_attack — T1566.002

Entities

ShinyHunters (threat_actor)Cl0p (threat_actor)Umbreon (product)Hadrian (vendor)Neo Security (vendor)Odido (product)