CPC G06F 21/44 (2013.01) [G06F 21/6218 (2013.01); H04L 9/083 (2013.01); H04L 9/3263 (2013.01); G06F 2212/175 (2013.01)] | 17 Claims |
1. A secure industrial control system, comprising:
an input/output module provisioned with a first unique security credential, the input/output module including a first memory device and a first processor coupled to the first memory device, the input/output module being operable to receive information from or send information to a field device; and
a control module provisioned with a second unique security credential, the second unique security credential indicating an original equipment manufacturer of the control module, the control module including a second memory device and a second processor coupled to the second memory device, the control module being configured to monitor and control the input/output module,
wherein the control module is configured to at least partially disable operability of the input/output module based upon an authentication process performed with the first unique security credential and the second unique security credential when the authentication process indicates a second original equipment manufacturer of the input/output module that is different from the original equipment manufacturer of the control module.
|