Colt Technology Services
Disclosed Aug 14, 2025Confirmed
Warlock ransomware steals and auctions Colt customer files
Colt disclosed an August 12, 2025 cyberattack that took services offline and later confirmed a criminal group accessed files that may contain customer information and posted document titles online; a Warlock-linked actor offered a million documents for sale.
What is known
| People affected | Not stated in the sources we have |
|---|---|
| Disclosed | Aug 14, 2025 |
| Discovered | Aug 12, 2025 |
| Attack | Ransomware |
| Data exposed | Internal documentsEmploymentFinancialOther |
| Sector | Telecom · GB |
| Status | Confirmed |
Sources
Notices filed
History of this record
First recordedby seedSource
First seen 2026-09-25 (Research), confirmed by Research. Record counts are as reported. Not legal advice.