Deloitte has confirmed that hackers accessed data on an email platform, forcing the ‘big four’ accounting firm to contact clients potentially affected by the cyber attack as well as government authorities. The breach, described by Deloitte as a “cyber incident” and first reported by the Guardian newspaper, will come as a blow to the firm, which cites the cyber security advice it provides to large companies as one of its fastest-growing revenue streams.

Source: Financial Times