O-LevelComputer ScienceThe Internet and its uses2210/12 · Oct/Nov 2023 · Q86 Marks
Draw and annotate a diagram that demonstrates the cyber security threat of data interception.
- (a)Draw and annotate a diagram that demonstrates the cyber security threat of data interception.[4]
- (b)Identify one security solution that will help keep data safe from data interception and state why it will help keep the data safe.[2]
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2023). The mark or mark type is shown in brackets.
- [4] The diagram demonstrates (One mark for each part of the diagram): // Data is being sent from one device to another // The data is being examined during transmission // Packet sniffer is used // Intercepted data is reported to a third-party during transmission ... // and analysed for anything useful // Connection hacked to spoof destination address // e.g. [Diagram showing Comp A sending data to Comp B, with a Packet sniffer in between, passing data to a Third party for analysis]
- [2] Encryption // ... if the data is intercepted it will be meaningless (because they do not have the decryption key)
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