Elevators 101
Explains how elevator floor lockouts function and how improperly configured elevator controllers and hoistways can be bypassed to access restricted floors.
Summary
Elevator Systems in Physical Access Architecture
Elevators are frequently integrated into facility security architectures to enforce floor lockouts and restrict access to sensitive levels. However, misconfigurations and default operating states often undermine these intended physical boundaries.
Operating Modes and Controller Manipulation
Elevator controllers support specialized operational modes, such as independent service, fire recall, and maintenance states. Physical penetration testers can leverage physical key switches, controller interfaces, or signal bridging to activate these modes and bypass floor access restrictions.
Hoistway Entry and Traveling Cable Vulnerabilities
Accessing elevator hoistways, car tops, and traveling cable junctions exposes unencrypted signaling wiring. Tampering with controller relays or sensor inputs allows unauthorized transit between floors without authenticating through card readers.
Defensive Architecture and Hardening
Properly securing elevator installations requires supervising key-switch wiring, isolating maintenance mode inputs, and validating floor requests directly through integrated building access management systems.
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