The Kaseya ransomware attack, which paralyzed hundreds of businesses over the Fourth of July weekend, marks a major strategic advancement for the criminal hacking gangs that have wreaked havoc on U.S. businesses.
Most ransomware gangs exploit basic security flubs to lock up victims' computers and demand payments, such as shared and reused passwords. REvil, the Russia-based group responsible for this attack, however, exploited a computer bug that had never been used and was unknown to top cybersecurity experts.
