KeyRaider’ malware has compromised more than 225,000 Apple account credentials. Malware only affects jailbroken iOS devices, which can only be installed on jailbroken devices. Jailbreaking refers to gaining root-level access to an iOS device to run third-party apps that have not been approved by Apple or install “cracked” versions of paid Apple apps. Enterprise security managers must ensure that they ruthlessly block any jailbroken Apple devices from accessing corporate networks because they pose a security risk.”]
Source: https://www.databreachtoday.com/jailbreaking-ios-devices-risks-to-users-enterprises-a-8515