Command authorization code The command authorization code ( or simply authorization code ) was an alphanumeric sequence used by militaries and civilian agencies to allow access to certain command protocols and restricted information . These code s were also known as a voice authorization code , security code , command code , access code , or simply password . Some of the many uses of authorization codes including : activating and canceling auto - destruct sequences , transferring of command of a starship , accessing secured locations , and ejecting a warp core . ( ; ; ; ) Earth . During the 1990s , Chronowerx Industries computer s might include a password feature . ( ) Starfleet . In Starfleet , the style of code varied from decade to decade . In 2365 , the code was a long sequence of numbers , letters from the Human Greek and English alphabets pronounced phonetically , and colors . By the following year , the code was standardized to a form used from that point on . Typically , this included the user ' s name , Greek letters , and numbers . Codes were changed on a regular basis to prevent sabotage and security breaches . Doctor Kila Marr isolated the access code of the science station on the bridge of the thereby making it impossible to turn off the graviton pulse that was destroying the Crystalline Entity . ( ) Security clearances could be deleted , as Tuvok did when he believed he was no longer fit for duty . ( ) Bajoran . The storage locker s in the assay office aboard Deep Space 9 were secured by personal authorization codes . ( ) Cardassian . Cardassian authorization codes were somewhat customizable in that high - ranking officer s could add additional security checks to restrict use of their security clearance s . Cardassian authorization codes were coupled with a clearance level from 1 up to 9 . They could also be stated with a priority override . ( ) S . G . Dukat added several such subroutines to his counter - insurgency program aboard Terok Nor ; when Elim Garak attempted to imitate Dukat to shut down the program , it constantly challenged Garak to prove his identity . When Dukat later attempted to beam back to his ship while the program was running , however , he discovered one of his superiors had altered the program to prevent Dukat from escaping in the event of a Bajoran revolt . ( ) Security identification . A security identification , also known as a security ID code , was a Cardassian identifier used while hailing a Cardassian vessel over a comm channel . It was to be spoken after the individual stated his or her name , for the person on the other end to have proof of legitimacy in order verify that person was really who they said they were . Clearance verification . A clearance verification was a type of verification assigned by the Cardassian Central Command to clear a person on a top secret mission from inspection by a Cardassian patrol . The patrol would enter the clearance verification into the computer , which would state " clearance code verified " . The notation would be " Clearance verification " followed by four numbers and a color . Elim Garak overheard someone stating their clearance verification at some point , and used it to convince a patrol that he and Benjamin Sisko were on a top - secret mission for the Central Command . Ferengi . In order to access communications aboard , the DaiMon ' s authorization was required for all transmissions . The access code of DaiMon Tog , the commander of the " Krayton " , was ( in part ) " " Keh - ee Yoor - ee Dah - teh - ee . . . " " ( ) Klingon . A defense access code was a message that , when transmitted , caused the defensive systems of the Khitomer outpost to become inoperative . ( ) Authorization code bypass . In 2372 Neelix was able to gain access to Tom Paris ' s computer with an engineering authorization code ( Engineering - Authorization - Omega - 4 - 7 ) without the proper voiceprint of Paris . ( )