No, TELNET is not a secure way of communication. Talent sends data and sensitive information in plain text over the network and that can be easily accessible and readable by anyone. This gives the open opportunity to the hacker to hurt your system. As a System administrator, you need to close all possible security risk for your system and having Talent is one of the tops in the list. SSH (Secure Shell) is a secure alternative of talent. SSH is completely secure and replaces legacy telnet usage. SSH save user identity, password, and data from the network attacks. Linux comes up with a free version of SSH known as OpenSSH. For extended features, We can also use paid versions of SSH.