Ransomware attack compromises Ill. Attorney Generalâs Office network Ransomware(MGN) Share on Facebook Share on LinkedIn CHICAGO, Ill. (KFVS) - The Illinois Attorney General Office discovered on April 10 that their computer network had been compromised by a ransomware attack. Ransomware is malware which is designed to deny access to user or organization computer files until a ransom is paid. Personal information from members of the public are held on the officeâs network. The information impacted includes: Medical information Driverâs license numbers Other such information as necessary to accomplish the duties within a division or bureau of the Office of the Illinois Attorney General.