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# Security After Configuration

Secure communications between a configured Intel AMT system and a management console depend on the security settings you define in your network.

Transport Layer Security (TLS) is a protocol that secures and authenticates communications across a public network. The Public Key Infrastructure (PKI) lets users of an unsecured network securely and privately exchange information using an asymmetric public and private cryptographic key pair. The key pair is retrieved and shared through a trusted authority, known as a Certification Authority (CA). The CA supplies digital certificates that can identify an individual or an organization.

You can use TLS-PKI in your network to increase the security of communication with all versions of Intel AMT. When TLS is configured (by defining TLS in the configuration profile), communications with Intel AMT are encrypted. If you do not configure TLS, all traffic sent to and from Intel AMT over the network is sent as plain text.