iLocker Mac by ProtectStar is a security application designed for macOS devices. It allows users to password-protect individual apps, such as Apple Mail, Photos, Contacts, Safari, and Games, preventing unauthorized access. Users can select which apps to protect and the software tracks failed access attempts, noting the date and time. iLocker Mac incorporates Deep Detective technology to monitor critical system areas and files, helping prevent Mac encrypting ransomware attacks like KeRanger, OSX/Filecoder, and Mabouia/Ransomcrypt.