October 2017
Intermediate to advanced
456 pages
9h 56m
English
Industrial control system protocols are mainly used for interconnecting devices and systems in different vendors, such as using a generic HMI solution to connect to a Siemens or Rockwell Automation PLC:

The main protocol in this category is OLE for Process Control or OPC. OPC is a series of standards and applications for industrial communications based on OLE, COM, and DCOM technologies developed by Microsoft.
From a security perspective, OPC is a nightmare. The protocol is easy to implement, flexible, and forgiving and provides the programmer with direct access to data registers from a large array of devices ...
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