Southern Water says Black Basta ransomware attack cost £4.5M in expenses

United Kingdom water supplier Southern Water has disclosed that it incurred costs of £4.5 million ($5.7M) due to a cyberattack it suffered in February 2024. Southern Water is a private utility company in southern England, providing water services to 2.7 million customers and wastewater services to over 4.7 million customers across Kent, Sussex, Hampshire, and the Isle of Wight. The company supplies 570 million liters of water through a 13,973 km network daily and manages 1,522 million liters of wastewater via a 40,058 km sewer system. Roughly a year back, Southern Water announced that it suffered a security breach, which didn't impact its operations, financial systems, or customer-facing systems. The attack was claimed by the Black Basta ransomware gang, a notorious threat actor known for not hesitating to attack critical infrastructure. The company's financial report, first seen by DataBreaches.net, determines the cost of the Black Basta attack to be around £4,500,000 (page 98). ... Read full article.