US, EU and NATO accuse China of attacking Microsoft Exchange servers

The White House, the European Union and NATO have officially blamed China for the attacks on Microsoft Exchange servers that took place earlier this year and used multiple zero-day software vulnerabilities. According to the White House, "hackers" working for the Chinese Ministry of State Security were able to compromise tens of thousands of computers and networks worldwide through the vulnerabilities, incurring large recovery costs for affected organizations.

Simultaneously with the allegation, the US Secret Service NSA, the FBI and the Cybersecurity and Infrastructure Security Agency (CISA) of the US Department of Homeland Security issued an advisory detailing techniques used by China to attack networks. With the information, the White House wants to empower defenders to take defensive measures to protect their data and networks.

Furthermore, the White House states that the attackers who work for the Chinese government also carry out attacks for their own financial gain and engage in ransomware attacks against companies. By failing to tackle the criminal activities of these hired attackers, China is creating significant costs for companies and organizations that can amount to billions of dollars, according to US authorities.


After the White House, the European Union, and NATO have also accused China of the Exchange attacks. The article has been adapted accordingly.

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