A certain operating system uses attestation before an application binary is loaded in the system. This means that an application is only run when the program hash matches its stored digest or measurement. A recently reported MacOS vulnerability was related to application attestation. A possible reason for application attestation failure in this situation could be

Group of answer choices

tampering of application binary prior to attestation..

compromise of the operating system.

lack of support for mandatory access by the operating system.

downloading of an unknown application.