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How To Crack Targus DEFCON CL Laptop Lock BY CHANCE In 3 Seconds?

Believe me, it’s not a 3-seconds or 3-minutes job to unlock, to break or to crack a laptop cable lock, especially the Targus DEFCON lock that built with cut-resistant, vinyl-coated, galvanized steel cable and a user-settable combination lock with up to 10,000 possible settings!
But, you’ll know how could someone “crack” your laptop lock “by chance” in just three seconds…

Question 1: Where do you normally use the laptop computer cable lock? Most likely the answer is in the office.

Question 2: How many people used to scramble or reset the security code after unlocking the laptop for a meeting at next door?

Well, I’m afraid that not many users remember to reset the security code, i.e. leave the cable lock in unlock state.

How to crack a highly secured Targus DEFCON CL laptop lock in just 3 seconds?
How to crack a highly secured Targus DEFCON CL laptop lock in just 3 seconds?

So, it happened last week in my office. A 3rd-party office cleaner, who came for cleaning works during lunch hour, stole a premium Dell XPS M1330 that was secured with a Targus DEFCON CL lock (the branded cable lock bundled with most Dell laptop package).

The CCTV footage shows that the guy unlocked the “super secured” cable lock as if he knows the security code.

Is there a master unlock code of this 30 over bucks cable lock, that allowed him to crack it so easily?

(We highly believe that) the answer is the careless of owner. The manager recalled that he used to leave the cable lock in unlock state whenever he took the laptop away his office, especially when rushed for a meeting.

So happen that he used to back his cubic after lunch in case the meeting was in morning session, and the cleaner is so smart to remember his security code of the cable lock that was left in unlock status.

That’s how the cleaner crack the Targus DEFCON CL Laptop lock BY CHANCE in 3 seconds on the next day lunch hour, when the manager left for lunch with his Dell laptop “locked” in office.

This careless could lead someone to break just any cable locks, not limited to the tough Targus DEFCON CL lock!

Verdict: Remember to scramble / reset the security code after unlock the laptop!


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  1. Redo September 26th, 2008 9:07 PM

    Dude, this is how you crack this lock: http://www.youtube.com/watch?v=frBFE-OayLI

  2. Gerardo Quesada April 23rd, 2010 5:35 AM

    Well, Shit happens…. Last week some “funny” guy (or girl) changed the code of my Defcon CL Laptop Lock and yes, usually a left my cable in unlock state, so he (she) had change this code, maybe he (she) hates me…
    So my laptop is lock at my office desktop until I find some way to unlock the cable… But I’m not thinking in trying 10.000 of possible combination…. So if someone knows an “easy” way to fix it, will be really helpfulfor me.. ;)

  3. zetrix May 26th, 2010 3:42 AM

    You have to lock betwen the dials and look for a little mark in the side of the dials. Then you must aling al the marks in the oposit side of were normaly you put the code. Believe me it works. I do it for me.