Answer:
Confusion.
Explanation:
She explained to a colleague how important it is to secure a cryptography key from cryptanalysis. She just tells them about the password will not refer to the cipher script in a simple way. So, she defining the security from confusion.
Cryptanalysis is the password cracking and analysis of encoded codes, ciphers, or document. Cryptanalysis requires mathematical equations to scan for flaws in algorithms and hack into cryptography.
