Vulnerabilities & Attack Methods

All Need Locks guides in the Vulnerabilities & Attack Methods category.

Vulnerabilities & Attack Methods

Wireless Protocol Vulnerabilities in Consumer Smart Home Devices

Mesh protocols like Zigbee carry a documented history of flaws in pairing and key handling. The research is public, the vulnerability records are sear

Vulnerabilities & Attack Methods

Forced Entry Realities: Why the Jamb Fails Before the Lock

When a residential door is forced, the cylinder is almost never what gives way. The load goes into a thin strip of softwood held by short screws. Unde

Vulnerabilities & Attack Methods

Relay Attacks on Wireless Access Systems and Documented Defenses

A relay attack does not break the encryption on a wireless credential. It extends the radio link so the lock believes your key is close by. Here is wh

Vulnerabilities & Attack Methods

Bypass Attacks That Ignore the Lock Entirely

A bypass does not defeat the cylinder. It reaches the mechanism the cylinder was protecting, or the person inside who can open the door. Here is how t

Vulnerabilities & Attack Methods

Default Credentials and Setup Failures in Connected Locks

Universal default passwords were common enough in consumer devices that two governments legislated against them. For a connected lock, the account lay

Vulnerabilities & Attack Methods

Hardening an Existing Door Without Replacing It

A full door and frame replacement is expensive and often unnecessary. Assessed and sequenced properly, most of the available improvement on an existin

Vulnerabilities & Attack Methods

Lock Bumping: How It Works and Which Cylinders Resist It

Bumping is a real property of ordinary pin tumbler cylinders, not a myth and not a crisis. Here is the concept at a level that helps you evaluate a pr