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
RSA encryption is named after whom?
AnswerRivest, Shamir and Adleman
Ron Rivest, Adi Shamir and Leonard Adleman created RSA.
What does AES stand for?
AnswerAdvanced Encryption Standard
AES is the widely used symmetric encryption standard.
The CIA triad in security stands for confidentiality, integrity and what?
AnswerAvailability
Confidentiality, integrity and availability are core security goals.
Expert level
In what year did the Morris worm spread across the early internet?
Answer1988
The Morris worm hit in November 1988.
AES is based on which cipher?
AnswerRijndael
The Rijndael cipher was selected as AES.
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