HP OpenVMS Guide to System Security: OpenVMS Version 8.4 > Appendix A Assigning Privileges

DOWNGRADE Privilege (All)

The DOWNGRADE privilege permits a process to manipulate mandatory access controls. The privilege lets a process write to an object of lower secrecy, in violation of the Bell and LaPadula confinement (*) property.[5]This privilege is reserved for enhanced security products such as the Security Enhancement Service software (SEVMS).[6]

[5] Name of the restriction on write-downs. Multilevel security requires the complete prohibition of write-downs by untrusted software.

[6] Support for SEVMS software has ended.