
Ransomware attacks against critical infrastructure organizations globally increased n 2021 with threat actors demonstrating increasing sophistication, says a joint advisory issued on Wednesday by national security agencies in the U.S., Britain and Australia. In the U.S., the first half of the year was marked by attackers going after “big game” organizations, which are high-value or provide critical services, but U.S. efforts to disrupt the perpetrators led to some of them moving to “mid-sized victims to reduce scrutiny,” says the Joint…