The RansomHub ransomware-as-a-service (RaaS) operation (previously known as Cyclops and Knight) surfaced in February 2024 and has since claimed many high-profile victims, including oil services giant Halliburton, the Rite Aid drugstore chain, Kawasaki's EU division, the Christie's auction house, US telecom provider Frontier Communications, the Planned Parenthood sexual health nonprofit, and the Bologna Football Club.