Question: Question 2 1 ( 4 points ) What is security? A high - level concept that protects information from unauthorized users through methods like password

Question 21(4 points)
What is security?
A high-level concept that protects information from unauthorized users through methods like password protection and secure communication channels.
The use of an algorithm to transform plaintext into ciphertext or ciphertext into plaintext.
A communication protocol, meaning the rules for transferring information among computers.
A unit that measures the strength of an encryption method.
Question 2 1 ( 4 points ) What is security? A

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