British Airways-owner IAG is facing a record $230m (€205m) fine for the theft of data from 500,000 customers from its website last year under tough new data-protection rules policed by the UK’s Information Commissioner’s Office (ICO).

SONY could face legal action across the globe after it delayed disclosing a security breach of its popular PlayStation Network, infuriating gamers and sending the firm’s shares down nearly 5% yesterday.