What type of access control method uses time-based restrictions?

Time-based access control is an access control method that allows or restricts access to resources based on predetermined time periods. This can include specifying times when certain personnel are allowed to enter a building or access restricted areas, aligning access permissions with operational hours or other time-sensitive factors.

This method is particularly useful for enhancing security, as it can limit access during off-hours or high-risk times. For example, a company may allow employees to access the facility only during their scheduled shifts or prevent access during times when the facility is closed. This adds an additional layer of security and helps to ensure that only authorized individuals can access sensitive areas or information when they are supposed to be present.

Other access control methods, such as access control lists or biometric systems, do not inherently incorporate time-based restrictions as their primary function. Instead, they focus more on identifying and verifying individuals or groups and granting access based on characteristics or predefined permissions without considering the time aspect. Physical key access allows entry without any time constraints, relying solely on possession of the key. Thus, time-based access control stands out as a distinct method that integrates the timing element into the access control framework effectively.