When you're ready to move into your new home or rental, you may find a surprise: Past owners may leave security systems and other smart home tech behind, especially if it's screw-mounted or wired in.

With smart home gadgets and budget-friendly tech, it’s never been easier to build your own DIY home security system. But easy ...

Top alarms tried and tested by an expert - These are the best smart, connected systems for keeping your home secure ...