Several steps to a full DIY home-security system will stop intruders in their tracks. Fitting a deadbolt is just one of those steps—and it's one of the quickest, easiest, and cheapest DIY ...

Deadbolt locks are the first line of defense in home security. Here is how to install a deadbolt lock in a steel exterior door for added security. First, determine the height where your deadbolt lock ...

All products featured on WIRED are independently selected by our editors. However, we may receive compensation from retailers and/or from purchases of products through these links. High-security lock ...

Single-cylinder deadbolts (keyed on one side) will work fine for most situations. Double-cylinder deadbolts (keyed on two sides) are a good idea if you have a window near the deadbolt. For safety ...