Operational Historian vs. Enterprise Historian

Historian systems have seen a rapid increase in use throughout various industries in the past decade or so. Data Historians improve how manufacturers, continuous process plant and utilities operate and manage their assets efficiently. Data Historian systems were built with the specific purpose of acquiring instrumentation data used in operational control, aiding in supervisory capacities,…

The great wall of China illustrates how important network boundaries are to cyber security.

The Network Boundary has changed

Ten years ago, “Operational Technology” (OT) vendors had only just really started to embrace Ethernet and TCP/IP as enterprise wide and global networking technology. The devices were generally designed “assuming” they would be on isolated “Supervisory Control and Data Acquisition” (SCADA) network segments and “something else” was going to take care of any security issues.…