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White Paper

Applying VLAN Insertion in ICS/SCADA

Network segmentation is a critical, fundamental building block in today’s modern process controls networks (PCN). Once thought to be an optional practice, the recent increase in attacks on ICS/SCADA systems shows it is vital to network design and security implementation. Case studies on both the Target® and the more recent Ukraine electrical grid attacks indicate that these attacks were containable – even preventable – had the proper network segmentation been in place.

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