Home security once felt like a boring, expensive concept — call up a legacy security company, hand over a pile of cash, and then forget about it until disaster strikes (or your daughter sneaks in through the back window and sets it off at 2 a.m.).

Before you had kids, home security was probably one of those things you thought you should have, but never got around setting up. But once you have a family, that parental urge to fiercely protect your young finally drives you to open your wallet.