A round-robin network security system implemented by a number of peer devices included in a plurality of networked peer devices. The round-robin security system permits the rotation of the system security controller among at least a portion of the peer devices. Each of the peer devices uses a defined trust assessment ruleset to determine whether the system security controller is trusted/trustworthy. An untrusted system security controller peer device is replaced by another of the peer devices selected by the peer devices. The current system security controller peer device transfers system threat information and security risk information collected from the peer devices to the new system security controller elected by the peer devices.