Popular RaaS attacks include such malware families REvil, which was used against Kaseya and thousands of other businesses on July 4, 2021; and the LockBit attack group that has been active throughout 2021, particularly during the summer. LockBit, which describes itself an “affiliate program,” reportedly has been working with other criminal groups such as REvil/Sodinokibi, DarkSide, and Netwalker.