Action we've taken Enforcement action 5 in total EE Limited 24 June 2019, Monetary penalties, Online technology and telecoms EE Limited fined £100,000 for sending over 2.5 million direct marketing messages to its customers, without consent. British Telecommunications plc 20 June 2018, Monetary penalties, Online technology and telecoms British Telecommunications plc (BT) has been fined £77,000 by the Information Commissioner’s Office after it sent nearly five million nuisance emails to customers. Yahoo! UK Services Ltd 21 May 2018, Monetary penalties, Online technology and telecoms Yahoo! UK Services Limited, based in London, has been fined £250,000 by the Information Commissioner’s Office after their computer network was compromised as the result of a cyber-attack in November 2014. WhatsApp Inc. 14 March 2018, Undertakings, Online technology and telecoms WhatsApp Inc. has signed an undertaking with the Information Commissioner. The Carphone Warehouse Ltd 10 January 2018, Monetary penalties, Online technology and telecoms Carphone Warehouse fined £400,000 after serious failures placed customer and employee data at risk. Loading results