Hackers Have Infiltrated Many of Washington State’s Agencies (2)

Hackers have launched a sprawling, multifaceted cyber-attack against the state of Washington, according to two people familiar with the matter.

The attack infested many of the state’s agencies with sophisticated malware, including one type known as Trickbot, according to the two people, who requested anonymity because they aren’t authorized to talk to the media.

The attack has already lasted more than a week, but it has yet to significantly affect state operations even while exposing flaws in the state’s security apparatus, the people said.

The cyber-attack didn’t impact the state’s election systems. Nonetheless, coming nearly a month ahead of November’s ...