When travelling by train, you often have the problem that you occasionally want to leave your place without taking all your luggage with you (coffee in the morning, a six hours drive with the train, you know the drill).
So you either need some travel companion having an eye on your valuable stuff, like your laptop, or some other means of securing it. Many people favour Kensington locks for this task. Apart from the fact that these locks do not provide any real security, some of the people using them seem to forget that they will only protect your laptop from getting physically stolen and will not protect the data on your harddrive from being stolen or wiped or trojanised or whatever:
Laptops secured with Kensington locks but without locked screens
The above picture was taken on a business trip on the ICE, where you usually find your share of other business travellers, like in this case. The screen of the laptop is not locked at all. For business travellers, normally the hardware costs of the laptop being potentially stolen will be less than the costs of losing the data on it.
So please, if you really want to leave your laptop alone with strangers, at least lock the screen, so I can’t just plug in my pendrive and get all your data. Turning the laptop off so the full disk encryption you hopefully use will take effect wouldn’t hurt either.
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