'Nation-state' hackers increase sabotage attempts aimed at Western energy companies
"We have not seen this scale of attack, the aggressiveness and penetration, in the U.S. before," one researcher said.
Tallinn Manual author: Petya malware attack likely war crime
Two prominent international law experts think the recent malware worm, if actually tied to Russia, constitutes a violation of the Geneva convention.
NATO extends cybersecurity help to Ukraine in wake of cyberattack
Poroshenko claimed to "have evidence that a recent cyber attack was also organized by the Russian Federation."
'Patient zero' of global ransomware incident was warned and owned before outbreak
M.E. Doc, the company at the center of an international ransomware outbreak, was reportedly warned about insufficient digital security multiple times, and new evidence shows it had already been compromised by hackers before last week's incident.
Merck IT systems still crippled in Petya's aftermath
Four days after its networks were infected, operations are still hamstrung at the pharmaceutical giant. U.S. employees have been reduced to keeping paper records of their work.
Early indications point to Sandworm hacking group for global ransomware attack
The hacking group has suspected ties to Russia and a history of launching destructive computer viruses, according to research conducted by Czech cybersecurity firm ESET.