What is access control method used on networks?

NAC is a centralised method for controlling network security.

It is based on the following procedures.

1. Detect - Detection and identification of new devices connecting to the network
2. Authenticate - Authentication of users and/or devices
3. Assess - Assessment of end systems regarding their compliance and/or vulnerabilities
4. Authorise - Authorisation to use the network based on the results of the authentication and the assessment
5. Monitor - Monitoring users and devices once they are connected to the network
6. Contain - Quarantine problem end systems and/or users to prevent them from negatively impacting the overall network environment
7. Re-mediate - Re-mediation of problems with the end system and/or user