Biometric Locks: Are They Any Good?

August 152008

Posted in Uncategorized |

The White Wolf Security website points out that people are finally listening that they may need more than a standard key lock in certain circumstances. Due in part to the reduced cost of consumer electronics, the cost of computerizes locks has dropped. These days one can purchase an electronic security system that is less expensive than most mechanical locks out there.

That’s good news.

Unfortunately, there can be drawbacks. More good news is that those drawbacks can be fixed:

According to White Wolf Security: “While the idea of a biometric lock is attractive for several reasons, these locks are not fool proof. In fact, biometric locks have been found to be vulnerable to a whole list of unique attack vectors. In this article we are going to take a close look at how a biometric lock works, and then discuss how they can be bypassed, beaten, and backdoored.”

Benefits include:

    * 138 fingerprint templates
    * Easy to install and set up
    * Fingerprint, PIN or mechanical key entry
    * Backup 9V power source
    * Optical fingerprint scanner
    * Direct programming — no computer required

“With the press of a button to activate the scanner, a fingerprint can be verified or rejected. If authentication is successful, the internal components of the lock mechanically “unlock” the device and allow the door to open. In addition to the simple interface, the lock does not require a key, which eliminates the risks associated with lost keys and/or “hidden” keys that many people keep within a few feet of their front door.

In order for the lock to function, the electronics require a power source. This can be provided by either the 4 AA batteries that can be inserted into the battery compartment on the inside of the door, or via a backup 9V battery connection plate that is located on the outside of the door as a temporary backup power source.”

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