Southern Water
Disclosed Jan 23, 20242 years ago470,000 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 | Names, Government IDs, Other |
| Sector | Energy · GB |
| Status | Unverified: not yet confirmed by an official notice, a filing or the organization |
Sources
| Source | |
|---|---|
| Black Basta gang claims the hack of the UK water utility Southern Watersecurityaffairs.com · News | News |
| A timeline of ransomware in 2024techcrunch.com · News | News |
Notices filed
| Where | Filed | People |
|---|---|---|
| Researchtotal | Jan 23, 2024 | 470,000 |
History of this record
- 2026-09-25 · added · seed source
First seen 2026-09-25 (Research). Record counts are as reported. Not legal advice.