The glossary below contains many of the terms you will find in common use throughout the Symantec Security Response website. Please refer to this list to find definitions of terms and answers to other Internet security-related questions.

TLS Transport Layer Security

A protocol that is intended to secure and authenticate communications across a public network through data encryption.

A protocol that provides communications privacy over the Internet by using symmetric cryptography with connection-specific keys and message integrity checks. TLS provides some improvements over SSL in security, reliability, interoperability, and extensibility. See also SSL.