Computer Science › Section E · Networking and the internet › Topic E.6
Cybersecurity: attacks and defences
Connecting a computer to a network exposes it to everyone else on that network. This topic surveys the main kinds of attack, from malicious software to tricks played on people, and the layered defences that organisations and individuals use against them.
In this topic
- What security protects
- Malicious software
- Attacks on people
- Attacks across the network
- When input becomes instructions
- Worked example: naming the attack and the goal
- Firewalls, proxies and filters
- Worked example: a school's gateway firewall
- Defence in depth
- The law
- Common mistakes to avoid
- Key takeaways
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