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The following is a test on security. See how many points you can gain.

Your current score is: 0

Covert channels

There are many methods of hidding messages within normal looking text. For an example, click on the following:

Find the covert messages in this message:

Coding

Answer

Result

Covert message 1:

 Incorrect

Covert message 2:

 Incorrect

Covert message 3:

 Incorrect

Covert message 4:

 Incorrect

Covert message 5:

 Incorrect

Covert message 6:

 Incorrect
  Score 0

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Developed by Bill Buchanan, Jamie Graves, Zibi Kwecka and Lionel Saliou, Centre for Distributed Computing and Security [link].