What does ransomware do?
AnswerEncrypts files and demands payment
Ransomware locks data and demands a ransom.
Tech · Facts & stats
Security facts & stats
7 fact-checked facts about cybersecurity, cryptography and security history, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
How does a Caesar cipher work?
AnswerShifts each letter a fixed number of places
Caesar ciphers shift letters by a fixed amount, like A to D.
Going deeper
Where were Enigma codes broken during World War II?
AnswerBletchley Park
Codebreakers at Bletchley Park in England cracked Enigma.
Which mathematician was key to breaking Enigma?
AnswerAlan Turing
Alan Turing helped design the Bombe used against Enigma.
What does AES stand for?
AnswerAdvanced Encryption Standard
AES is the widely used symmetric encryption standard.
Expert level
In what year did the Morris worm spread across the early internet?
Answer1988
The Morris worm hit in November 1988.
In what year was the RSA algorithm first published?
Answer1977
RSA was described in 1977.
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