14 January 2026

China hacked email systems of US congressional committee staff

Demetri Sevastopulo

China has hacked the emails used by congressional staff on powerful committees in the US House of Representatives, as part of a massive cyber espionage campaign known as Salt Typhoon.

Chinese intelligence accessed email systems used by some staffers on the House China committee in addition to aides on the foreign affairs committee, intelligence committee and armed services committee, according to people familiar with the attack. The intrusions were detected in December.

The attacks are the latest element of an ongoing cyber campaign against US communication networks by the Ministry of State Security, China’s intelligence service. One person familiar with the attack said it was unclear if the MSS had accessed lawmakers’ emails.

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