Whether you’re trying to catch an intruder or give someone a good scare, you can build this simple tripwire alarm in only a few minutes. This post is part of our Evil Week series at Lifehacker, where ...

When it comes to home security, it's simpler than you'd think to DIY a quality system. What's a security system without lasers, though? In the video above, MAKE Magazine shows how to create your own ...

If you have ever discovered a system attack, you know that reloading the system and all its applications would be the first thing to do because you can’t identify the files an intruder may have ...