US critical infrastructure firms

US firms should reinforce their defense following cyberattacks

US firms should be wary of destructive malware unleashed on Ukraine, FBI and CISA warn

Originally Published: 26 FEB 22 14:54 ET Updated: 26 FEB 22 14:59 ET By Sean Lyngaas, CNN (CNN) -- US critical infrastructure firms should reinforce their defenses and increase their vigilance following data-destroying cyberattacks in Ukraine prior to a large-scale…