A packet too far: Passive monitoring for OT networks
One of the big differentiators between the worlds of IT and OT is their attitude to “active” network tools – those that actually place traffic “onto the wire”. In all but the most sensitive IT networks, this is almost never an issue. The typical IT network is literally awash with different protocols – DNS, DHCP, SMTP, HTTP; the list goes on. In a large, complex IT environment there could be literally dozens of different protocols flying about.
To the article
