Definitions

1. noun

unencrypted text, especially in computer communication

“The encryption algorithm was designed to protect the ciphertext from interception, but the plaintext was visible to the sender and receiver.”

2. noun

text, especially written text, that is not encoded or encrypted

“The plaintext of the message was difficult to read due to the poor handwriting of the sender.”

3. noun

a text message or other digital communication that is not encrypted

“The company uses secure messaging apps to send encrypted messages, but the plaintext of the messages is not stored on their servers.”