(AP) — Federal investigators say a passenger door on a Boston subway car did not function properly when a man got his arm stuck in it and was dragged to his death last month. The National ...

Note: This is the second part of Ray’s July/August column of the same name. Q: Is there a standard or common convention for naming doors in an access control system? A: There is no single standard, or ...

Mechanical locks secure doors as either deadbolts or door-handle devices. Keys serve as the means to unlock these mechanical locks, and possessing a working key determines who can access secured areas ...

How to understand the needs of your school and secure it with advanced technology Illustration #1: Security Pyramid shows the relationship of progressive levels of security. Today, locks and keys ...

Camden Door Controls, a provider of door activation and locking products, announces it upgraded its CV-603 BLE two-door access control system with virtual credentials. With the upgrade, the system can ...

A security researcher says the default password shipped in a widely used door access control system allows anyone to easily and remotely access door locks and elevator controls in dozens of buildings ...