Virtual private networks

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If you regularly access online accounts through Wi-Fi hotspots, you may wish to consider using a virtual private network (VPN). A VPN extends a private network across a public network. It enables you to send and receive data across shared or public networks as if your device was directly connected to the private network. VPNs encrypt information between your computer and the internet, even on unsecured networks. You can get a personal VPN account from a VPN service provider.

Guide: What is a VPN?

This short video from F-Secure Connected Life answers ‘What is a VPN?’

You can turn on captions by clicking on the subtitles icon in the bottom right corner of the video.

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Activity 3.4: Securing your wireless router

Timing: Allow about 15 minutes

If you have a wireless router at home, check it is set up so that only people in your home can access it.


Make sure that your network needs a password or security key to access it. If you’re not sure how to do this, read the instructions that came with your router. If you can’t find them, you can search for them on the manufacturer’s website.

Lesson 3: Summary