Ransomware-as-a-service tool BlackMatter is a possible rebrand of DarkSide, a RaaS active from September 2020 through May. The U.S. government has issued a joint cybersecurity advisory from the government. The advisory urges organizations to use newly published intrusion detection signatures to help spot and block attacks. It includes additional recommended defenses, such as implementing “time-based access for accounts set at the admin-level and higher” The long list of fresh ransomware victims bespeaks many organizations not yet having gotten the message about the above types of needed defenses.”]