Deputy National Security Adviser Anne Neuberger said that 'a large number' of Americans were impacted, with many working in government and politics and living in the 'Washington-Virginia area.'

U.S. officials have added a ninth telecommunications company to the list of entities compromised by a sweeping Chinese-linked cyberespionage operation known as Salt Typhoon, a top White House official said Friday.

Nine U.S. telecom firms have been hacked as part of a Chinese-linked hacking campaign dubbed Salt Typhoon as of Friday, top White House official Anne Neuberger said. What Happened: Earlier this month,

At least nine telecommunications companies, as well as dozens of nations, have been affected by the Chinese hacking blitz known as Salt Typhoon.

The White House urged the FCC to force U.S. telecoms to improve security after nine were breached in the "Salt Typhoon" Chinese hacking campaign.

The White House said Friday that a ninth U.S. telecommunications company has been hacked as part of a Chinese espionage campaign, but China has denied responsibility.

A ninth U.S. telecom firm was confirmed to have been hacked as part of a sprawling Chinese espionage campaign, a White House official said.