Ever wondered if your apps are spying on you? Now you can find out

Have you ever worried that your applications might be accessing your camera or microphone in secret – to spy on you?

This isn’t just a risk with your phone. Your laptop has a camera and microphone too.

Now Microsoft’s making it easier to find out which of your apps are accessing your hardware – and other sensitive data. Here’s our latest tech update video.

What Is A Firewall And How Does It Work

A firewall is a system designed to protect computers from unauthorized access. It does this by filtering traffic between networks and only allowing certain types of traffic through. Firewalls can be hardware, software, or a combination of both.

Hardware firewalls are usually installed at the point where a network connects to the internet.