In the modern day, the ability to work through a problem and decipher it is essential to anyone who works in cybersecurity, partly because a lot of what they do involves working out what is going on with less than perfect knowledge.

The puzzles below have been drawn up with the help of the team behind the UK’s Cyber Security Challenge, which uses similar tests to find people who are good at problem solving who could be of use for attacking and defending computer networks.

Source: Do you have the brains for cybersecurity? – BBC News