Cyber gang Cl0p has exploited vulnerabilities in software made by Cleo, an Illinois-based IT company.Cl0p claimed responsibility for the attacks on Cleo's products LexiCom, VLTrader, and Harmony.Cleo has released patches to address the vulnerabilities, including a recent one for a critical flaw.Rapid7 advises affected companies to update to the latest version of Cleo products and apply the provided patches.