Cathy Bussewitz / Associated Press
Colonial Pipeline confirmed it paid $4.4 million to a gang of hackers who broke into its computer systems.
When will fuel supplies get back to normal? The FBI has linked the ransomware to a Russian-speaking criminal syndicate known as DarkSide that has been on investigators’ radar for months. Questions remain about what steps companies or government officials should take to buttress defenses against cyberattacks.