Laptop security can be increased by installing a small application on the system that checks if the laptop is connected to an A/C adapter. Laptop alarm will play a sound as soon as the laptop gets removed from the power supply.

It has to be noted that this method of protecting a laptop is far from perfect. It would for example be possible to close the lid of the laptop to avoid the alarm going off. Alarm comes as a portable executable or installer and has to be configure with a sound file. An alarm mp3 file is provided by the developer of the software program.

Other options are running a Python script that makes use of a laptops accelerometer to detect someone moving it. All of these methods are not fool proof but add a new layer of security that could prove to be very effective especially if the laptop thief does not power down the laptop immediately.

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While the latter can be countered by locking the account the first fear can’t. A notebook can always be grabbed and taken away if you are not near it. Laptop Alarm tries to counter this by sounding an alarm whenever one of the following things happen:

• A/C Power Removal
• Mouse Removal
• Mouse Movement
• Shutdown / Suspend

This is of course not a perfect solution but it does give everyone near it a audible sign that something is wrong. If you are within hearing range you can react fast and rush to the place where you left your notebook.

Thieves will probably be disturbed by the sound and leave without taking the notebook. Laptop Alarm does not only play a sound but locks the laptop with a password as well. That means that a intruder has only the option to either enter the password, close the notebook or remove the A/C Power. If he moves the mouse doing so the alarm will go off.

The only difficulty that I see is that it does not go off if the notebook is closed first. Closing the notebook does not trigger the alarm at all. The notebook is still protected by the password of Laptop Alarm when opened again but you don’t get the alarm when needed.

I would say it is probably okay to run it as another measure to protect your notebook but it is not a perfect solution either. I prefer to be on the safe side and never leave my notebook out of sight.

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Laptop Alarm

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