the.com/ciphertext
A message wearing a disguise so good even its friends can't recognize it without the password.
means Data that has been encrypted so it appears as meaningless noise until decrypted back into plaintext.
from From cipher, via Arabic sifr meaning zero or empty, because early codes used symbols standing for nothing obvious; text was tacked on once cryptography became a written science.
looks likerandom gibberish, ideally indistinguishable from noise
key dependencysame plaintext, different key, totally different output
goalconfidentiality, not secrecy of the algorithm itself
famous failenigma ciphertext cracked by pattern reuse