5 Summary of Week 6

Figure 10

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This image shows a man, from behind, wearing a baseball cap and holding a walkie-walkie. On the back of his jumper reads 'SECURITY'.

Figure 10

This week has focused on techniques for network level protection of your digital life.

In particular you have learned the role of firewalls in protecting networks and configured a personal firewall for the computers you use. You have also learned how cryptography can be used to maintain the confidentiality, integrity and authenticity of network traffic and how networks can be automatically monitored to detect potential attacks.

You can now got to Week 7: When your defences fail [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)] .