Breachesby GlyphSouthern Water
Disclosed Jan 23, 2024470,000 affectedUnverified
Black Basta ransomware attack on Southern Water exposes 470,000 customers
UK utility Southern Water was hit by a cyberattack claimed by the Black Basta ransomware gang, which said it stole 750 GB including employee passports and ID cards. The company later confirmed personal data of more than 470,000 customers was stolen.
What is known
| People affected | 470,000 (as reported by the organization) |
|---|---|
| Disclosed | Jan 23, 2024 |
| Attack | Ransomware |
| Data exposed | NamesGovernment IDsOther |
| Sector | Energy · GB |
| Status | Unverified: not yet confirmed by an official notice, a filing or the organization |
Sources
Notices filed
History of this record
First recordedby seedSource
First seen 2026-09-25 (Research). Record counts are as reported. Not legal advice.