Shopping for a security system or upgrade means choosing between many different sensors and devices. It's easy to fall into the "more is better" trap, especially if there's sale or special deal ...

Some Wi-Fi networks and virtual private networks require security certificates to connect. Devices that don't have the necessary security certificates are blocked from the network. You can add ...

Posts from this author will be added to your daily email digest and your homepage feed. Two-factor authentication is a good way to add an extra layer of security to online accounts. It requires the ...