Siemens Industry Online Support
Siemens AG
Entry type: Application example Entry ID: 27043887, Entry date: 04/22/2014

Security with SIMATIC NET

  • Entry
  • Associated product(s)

The security issue is of primary importance since industrial Ethernet solutions and numerous unsecured interfaces are on the rise. The use of standard components from information technology and the advance of Ethernet-based communication standards creates vulnerabilities unknown in the physically islanded automation systems used in the past. Relatively few people in the world of automation are yet familiar with the principles, use cases and possible solutions.

The following overview document shows users of SIMATIC S7 which security configurations are feasible today using the SIMATIC NET product range.
Its focus is to familiarize readers with

  • the basics of security in automation technology in a compendium and
  • to show the problems, use cases and possible solutions with SIMATIC NET by describing several application scenarios.


Content of Downloads


Dokumentation (English) 
Security with SIMATIC NET (Overview, Security Scenarios, Background Information


Further information



SINAUT ST7 Telecontrol configuration examples in Ethernet, secure Internet and (E)GPRS environment  Entry-ID 23810112
Protection of an Automation Cell Using the SCALANCE S602 V3 and SCALANCE S623 Security Modules via a Firewall Entry-ID 22376747
Secure Remote Access to SIMATIC Stations via Internet and UMTS Entry-ID 24960449
Industrial Security with SCALANCE S Modules Over IPSec VPN Tunnels Entry-ID 22056713

Security Notice
The functions and solutions described in this article confine themselves to the realization of the automation task predominantly. Please take into account furthermore that corresponding protective measures have to be taken up in the context of Industrial Security when connecting your equipment to other parts of the plant, the enterprise network or the Internet. Further information can be found under the Entry-ID 50203404.

Last Changes
Application updated to the latest hardware and software versions and implementation of the new security functions.

Additional Keywords
Firewall, SCALANCE S, VPN, CPx43-1 Advanced V3