The FBI Takes a Drastic Step to Fight China’s Hacking Spree

The FBI Takes a Drastic Step to Fight China’s Hacking Spree

A disproportionate number of Hafnium victims appear to have been small- to medium-sized businesses, which are more inclined to run a dedicated on-premises Exchange server for their email needs.

Chinese Hacking Spree Hit an ‘Astronomical’ Number of Victims

Chinese Hacking Spree Hit an ‘Astronomical’ Number of Victims

Hafnium has now exploited zero-day vulnerabilities in Microsoft's Exchange servers' Outlook Web Access to indiscriminately compromise no fewer than tens of thousands of email servers, according to sources with knowledge of the investigation into the hacking campaign who spoke to WIRED.

China and Russia's Spying Sprees Will Take Years to Unpack

China and Russia's Spying Sprees Will Take Years to Unpack

First spotted by security firm Volexity, a nation-state group that Microsoft calls Hafnium has been using multiple zero-day exploits —which attack previously unknown vulnerabilities in software—to break into Exchange Servers, which manage email clients including Outlook.