One of the worlds most ruthless and advanced hacking groups, the Russian state controlled Sandworm, launched a series of destructive cyberattacks in the countrys ongoing war against neighboring Ukraine, researchers reported Thursday. In April, the group targeted a Ukrainian university with two wipers, a form of malware that aims to permanently destroy sensitive data and often the infrastructure storing it. One wiper, tracked under the name Sting, targeted fleets of Windows computers by...