The wide range of state agencies targeted include “health, transportation, labor (including unemployment benefit systems), higher education, agriculture, and court networks and systems,” the FBI and US Cybersecurity and Infrastructure Security Agency (CISA) said in a separate, private advisory to state governments obtained by CNN. For agencies in two states, the hackers broke into networks using a critical software flaw that was revealed in December just as the Biden administration was scrambling to respond to the flaw’s discovery, according to Mandiant. The hackers’ motives aren’t clear, but their victims are “consistent with an espionage operation,” the firm said. The list...