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Comment by gregschlom | Hacker News Reader

Also, a good way to protect your computer, especially while travelling: use a Kensington lock cable to physically attach it to something that doesn't move.

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Make sure the lock itself doesn't suck, though. A lot of cylinder locks can be opened with a Bic pen, for example.

Since the lock mount is often just a cut-out in the laptop case, the result of theft is typically a cosmetic but non-functional blemish to the device.

Mind: anyone receiving the laptop would have a strong indication it had been stolen. This might or might not be a concern.

Additional deterrence? Sure. Proof against theft? No. Slow down an opportunistic smash-and-grab situation (I've seen ~ $20,000 of hardware stolen inside of 60 seconds)? Sure.

"A lock keeps an honest man honest."

I guess it depends on the laptop. The last time I used a lock was with a pre-Retina MBP; short of cutting the cable (doable but you'd better come prepared) or what it's attached to (ditto but probably harder) you're not getting that off without a fight.

An angle grinder and/or drill can do wonders. If you can snip the cable, you can remove the lock head at your leisure later.

This still slows down the casual / opportunistic thief markedly, of course.

Kensington locks can be unlocked with nothing more than a slim cardboard tube: https://www.youtube.com/watch?v=0SkKJ4yOKo8

I tested this technique myself a few years back, but must admit to not knowing if Kensington locks have evolved since then.

A kensington lock means you can walk over to the cake counter and take your time selecting a cake, leaving your computer back at the table, locked to the table leg or whatever. That's what I found anyway when travelling... it just removes the quick swipe opportunity and gives you peace of mind.

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