Backdoor Glossary Definition

A backdoor or trapdoor is a process to gain unauthorized access to a computer or a network. A programmer may bypass security steps and gain access to a computer by trapdoor programs, in the event of an attack on the computer system or networks. Attackers may also use such mechanisms to enter computer or networks without proper permission.

In security and compliance work, this term helps teams describe controls, risks, identity practices, standards, audits, or protective technologies. It is relevant when managing access, reducing exposure, documenting safeguards, or demonstrating accountability.