HMIs
Query limits / Access controls / Audit / Redundancy / Separation of duties / Roles and rules / Idm Interface / Aggregation controls / Change Controls / Digital Diodes / FSM Inputs
| HMI x SCADA Comms Enc / Auth / VPN / VLAN / RF / Wired / Fiber / Ded lines |
SCADAs
Query limits / Access controls / Application firewalls / Audit / Redundancy / Separation of duties / Roles and rules / Idm Interface / Aggregation controls / Change Controls / Digital Diodes / FSM Inputs
| SCADA x PLC Comms Enc / Auth / VPN / VLAN / RF / Wired / Fiber / Ded lines |
PLCs
Query limits / Access controls / Application firewalls / Audit / Redundancy / Separation of duties / Roles and rules / Idm Interface / Aggregation controls / Change Controls / Digital Diodes / FSM Inputs
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PLC x Act / Sense Comms Enc / Auth / VPN / VLAN / RF / Wired / Fiber / Ded lines |
Sensors / Actuators
Query limits / Access controls / Application firewalls / Audit / Redundancy / Separation of duties / Roles and rules / Idm Interface / Aggregation controls Actuators / Digital Diodes / FSM Inputs
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Control x History Enc / Auth / VPN / VLAN / RF / Wired / Fiber / Ded lines |
History servers
Query limits / Access controls / Audit / Redundancy / Separation of duties / Replay and rollback / Transaction mechanisms / Aggregation controls |
History Repositories
FW / NIRDS / Audit / Filters / Transforms / TCB
Storage area networks
Redundancy / Separation of duties / Backups
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