Cleartext describes any data that is not ciphertext or encrypted. For example, Telnet transfers network data as cleartext, which means if the network was being sniffed, a username and password could be obtained. Users concerned about security should never store or transfer their data as cleartext. Below is an example of cleartext and then the same text encrypted with a substitution cipher.

Cleartext

This is a cleartext example.

Encrypted text

GSRH RH Z XOVZIGVCG VCZNKOV

Clear, Network terms, Plaintext, Security terms

  • How to protect yourself while on the Internet.
  • Computer security help and support.
  • Network and network card help and support.