US, Britain and EU blame China for Microsoft Exchange email server hack

The US, Britain, the EU and Nato on Monday accused Beijing of sponsoring a massive hack of the Microsoft Exchange email server discovered earlier this year, which compromised accounts worldwide, and vowed to work with other countries to halt what the US State Department called China's "destabilising behaviour in cyberspace". The State Department said "cyber actors", working with China's Ministry of State Security (MSS), "exploited vulnerabilities in Microsoft Exchange Server in a massive cyber espionage operation that indiscriminately compromised thousands of computers and networks, mostly belonging to private sector victims". A senior White House official briefing reporters in Washington said:…