Southern Water

Southern Water

Data breach claim reported January 23, 2024
Add Breachsense as a preferred source on Google
Data Breach Report
Victimsouthernwater.co.uk
Claimed ByBlackBasta
Date DiscoveredJan 23, 2024
DescriptionSouthern Water is a private utility company responsible for public wastewater collection and treatment.
Leak SizeUnknown

Breach claims on this page are published by threat actors and haven't been verified by Breachsense.

Credential Exposure for southernwater.co.uk

We've indexed 490 @southernwater.co.uk accounts from external breaches, plus 884 credentials for southernwater.co.uk itself.

Last checked Nov 8, 2026

@southernwater.co.uk addresses from external breaches
Third-party breaches477 accounts · across 107 breaches · 435 with a plaintext password · most recent Jan 6, 2026
Combo lists253 accounts · most recent Nov 5, 2026
Passwords for southernwater.co.uk accounts
Combo lists481 logins · most recent Nov 8, 2026
Infostealer logs417 logins · 264 infected devices · most recent Nov 8, 2026

Logins may belong to customers or to staff, and the data doesn't say which. None of this is necessarily connected to the ransomware attack above.

Is your organization next?

Check if your company's credentials have been exposed in this or other data breaches.

Continuous dark web monitoring alerts you when we find leaked credentials or session tokens for your company.