The U.S. Federal Bureau of Investigation (FBI) says it has disrupted a giant botnet built and operated by a Russian government intelligence unit known for launching destructive cyberattacks against energy infrastructure in the United States and Ukraine. Separately, law enforcement agencies in the U.S. and Germany moved …

Enlarge / Critical infrastructure sites such as this oil refinery in Port Arthur, Texas, rely on safety systems. (credit: IIP Photo Archive ) For years, the hackers behind the malware known as Triton or Trisis have stood out as a uniquely dangerous threat to critical infrastructure: a group of digital intruders …