Southern Water security incident history
Hacking, data breaches and other security incidents involving Southern Water, with related coverage.
Incidents: 1 · Most recent
UK's Southern Water ransomware attack leaks customer data
Impact: Personal information of hundreds of thousands of customers leaked; attack-related costs of £4.5 million
UK water company Southern Water detected suspicious activity on its systems and launched an investigation. Black Basta claimed to have stolen 750GB of data, including personal information and corporate documents, and the leak of personal information of hundreds of thousands of customers was later confirmed. The company said during its initial investigation that water services were operating normally, and a later tally put the costs related to the attack at £4.5 million.
Related reports: 4 · last report →