The Southern Water data breach was carried out by hacker group Black Basta. Southern Water has confirmed that the suspicious activity was detected on 23rd January 2024. 

The following personal data could be compromised:  

• Customer names, dates of birth, NI numbers, bank account numbers, sort codes, and reference numbers  
• Current and former employee HR and identity documents.  

Southern Water has written to all affected and potentially affected customers and employees. If you have not received this notification, it is unlikely that your data was compromised in the attack. Our simple eligibility checker provides instant clarity.  

Have you been notified that your data may have been involved in the Southern Water data breach? If yes, you could have a NO-WIN, NO- FEE Southern Water compensation claim. Our simple eligibility checker provides instant clarity. Answer a few straightforward questions, and you’ll know if you could qualify for a Southern Water data breach group action claim. 

We cannot say how much compensation you might get if you win a Southern Water data breach case. Each claim is based on its merits and your solicitor will work to get the compensation owed to you.  

In the UK, if a group of people have experienced loss, or otherwise been harmed by an organisation’s law breaking, they can come together to fight for justice. Levelling the playing field when standing up to big businesses, group actions prove that there is strength in numbers. At Join the Claim, we bring consumers and law firms together to ensure these group actions are as powerful as possible. 

We won’t charge you a single penny. And we ensure any law firms we connect you with operate on a no-win-no-fee basis. If you win, the law firm will either take its fees from your compensation payment or recover these from the defendants.