f you're a CXO overseeing a critical infrastructure that contains SCADA (supervisory control and data acquisition) controls, a chief concern is how to protect the infrastructure against terrorist attacks. Changes in control software will continue to accelerate until the most critical infrastructure weaknesses (oil refineries, electrical power plants, water treatment facilities) are addressed worldwide. But it may take years to replace all of the controls.
n order to address some of these concerns, networking vendors are deploying solutions to monitor network traffic between the management systems of these controls to determine the validity of its state. They can plan on implementing authentication and access controls on the sessions that communicate with the controls. As a newer generation of controls is deployed, authentication and authorization features will be built into the controls themselves. All access can be logged to determine if there is any tampering.
Read more: http://www.pcadvisor.co.uk/news/security/3355695/future-of-scada-control-security/#ixzz1umpadtAX
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