TLS

• TLS is a cryptographic protocol for providing secure communication.

• TLS is an improved version of SSL. 

• It works in much the same way as the SSL, using encryption to protect the transfer of data and information

• The handshake establishes a shared session key that is then used to secure messages and provide message integrity.

• Sessions are temporary, and once ended, must be re-established or resumed.

• Digital certificates are provided and verified by trusted third parties known as Certificate Authorities (CA)