The threat actors behind theLockBitransomware-as-a-service (RaaS) scheme have extorted $91 million following hundreds of attacks against numerous U.S. organizations since 2020. That’s according to ajoint bulletinpublished by the U.S. Cybersecurity and Infrastructure Security Agency (CISA), Federal Bureau of Investigation (FBI), the Multi-State Information Sharing and Analysis Center (MS-ISAC