Security subroutine
A security subroutine was a subroutine in computer programs related to various security-related matters.

In 2371, Tuvok altered the security subroutines of 's transporter, so Joe Carey's security codes were no longer accepted to initiate beaming. ()

In 2372, Tuvix worked on a proximity detector problem in the security subroutine and solved in a few hours, while Tuvok had predicted it would take up to ten days. ()

While trapped aboard the Nyrian biosphere vessel in 2373, Tuvok suggested to disable the entire security subroutine to gain access to the vessel's systems. ()

Subroutines
Security