OT Network Segmentation for Embedded Systems

When embedded devices cannot defend themselves, the network has to. Here is how segmentation protects fragile OT and embedded systems.
Meeting IEC 62443 on Real Hardware

IEC 62443 is the standard for industrial security, but meeting it on real embedded hardware takes interpretation. Here is how to apply it in practice.
Securing PLCs Against Firmware Tampering

PLCs run physical processes and were never designed for a hostile network. Here is how firmware tampering threatens them and how to defend against it.