| Lack of authentication enables anyone to gain access to the network or possibly a network element that provides opportunity for intruders to compromise resources within the network infrastructure. Network access control mechanisms interoperate to prevent unauthorized access and to enforce the organization's security policy. Authorization for access to any network element requires an individual account identifier that has been approved, assigned, and configured on an authentication server. Authentication of all administrator accounts for all privilege levels must be accomplished using two or more factors that include the following:
(i) something you know (e.g., password/PIN);
(ii) something you have (e.g., cryptographic identification device, token); or
(iii) something you are (e.g., biometric).
All maintenance sessions to a DNS system must require the use of multifactor authentication regardless of whether the session is local or non-local. |
