WASHINGTON — On the day Crimeans voted in a referendum in March on secession from Ukraine, hackers from a group calling itself the "Cyber Berkut" pelted NATO websites with online nuisance attacks designed to knock the pages offline.
WASHINGTON — On the day Crimeans voted in a referendum in March on secession from Ukraine, hackers from a group calling itself the "Cyber Berkut" pelted NATO websites with online nuisance attacks designed to knock the pages offline.