Cybersecurity quiz

More questions about Cybersecurity

These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.

1. 1 Easy

   In cybersecurity simulations, what is the primary role of the Blue Team?

   Answer: Defending against active threats

   Why: Blue Team defends, Red Team attacks, and a neutral White Team referees the drill, setting the rules and scoring both sides.

2. 2 Medium

   Early CAPTCHA tests helped Google digitize millions of words from which source?

   Answer: old books

   Why: One word in each pair was already known, the other had beaten the scanner; Google bought reCAPTCHA in 2009 and fed those guesses into Google Books.

3. 3 Hard

   In security jargon, what is 'rubber-hose cryptanalysis'?

   Answer: extracting secret keys through physical coercion

   Why: Marcus Ranum coined the term on Usenet in 1990, calling it surprisingly quick and computationally inexpensive.

4. 4 Easy

   Which tool intercepts and monitors data moving across a network?

   Answer: Packet sniffer

   Why: Packet sniffers read the contents of unencrypted network traffic as individual data packets travel between devices.

5. 5 Medium

   What was the primary purpose of Brain, the first MS-DOS computer virus?

   Answer: To track medical software piracy

   Why: Brain wrote the brothers' real Lahore address and three phone numbers into the boot sector, so infected users around the world simply called them.

6. 6 Hard

   How does the Fansmitter attack exfiltrate data from an air-gapped computer?

   Answer: Through cooling fan speed vibrations

   Why: Ben-Gurion's 2016 test hit 900 bits per hour to a phone microphone one metre away, and 600 bits per hour at eight metres.