Pepijn van der Stap

Reported Context (1)

Previously convicted of data theft and extortion under the handle Umbreon; arrested in September 2026 in connection with the ShinyHunters investigation. His involvement in the group's recent activity is not established. Dutch Police Arrest Former Hacker in ShinyHunters Investigation

CVE (1)

Threat Actors (9)

MITRE ATT&CK (3)

Vendors (1)

Products (1)

Industries (7)

Countries (4)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.