Technical Tag

Industrial-control protocols

2 related articles.

Getting Started with Industrial Control System Security

0x01 Preface Industrial-control security has grown increasingly popular in recent years, and many friends have asked how to learn it. I am still learning myself, so I cannot claim to know the single correct or fastest path. I can only share methods and experience from my own perspective. At the grandest level, learning industrial-control security contributes to national security; at the practical level, it is a way to make a living. The important thing is to choose the right prescription. What does that mean? It means…

Understanding the S7COMM and Modbus Industrial Protocols

First published on Xianzhi: https://xz.aliyun.com/t/6603 0x01 S7COMM S7COMM stands for S7 Communication. It is Siemens' proprietary protocol for programming and data exchange between S7-300/400 PLCs. S7 is carried over TPKT and ISO-COTP; this article focuses on S7Comm…