“One of the world’s ‘big four’ accountancy firms has been targeted by a sophisticated hack that compromised the confidential emails and plans of some of its blue-chip clients, the Guardian can reveal.
Deloitte, which is registered in London and has its global headquarters in New York, was the victim of a cybersecurity attack that went unnoticed for months.”
Source: Deloitte hit by cyber-attack revealing clients’ secret emails | Business | The Guardian
