U.S. cybersecurity agency warns of 'grave' threat from hack

The federal government’s top cybersecurity agency issued its most urgent warning yet about a sophisticated and extensive computer breach, saying Thursday that it posed a “grave risk” to networks maintained by governments, utilities and the private sector and could be difficult to purge.
Read more: https://www.latimes.com/world-nation/story/2020-12-17/us-cybersecurity-agency-warns-of-grave-threat-from-hack?source=Snapzu