User Guide

System Security Guidelines
Current Software and Firmware Version Status
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3.1 Current Software and Firmware Version Status
Contact your local Siemens service organization to verify if the latest software and
firmware versions are installed in your NK823x units.
Latest available versions at creation of this document:
NK823x firmware for Desigo CC/Cerberus DMS: 06/05/20 5.0.2
NK823x kernel for:
● NKM8001-A1 hardware version: "Linux 2.6.32.41 #216 Thu Dec 12 08:11:34
CET 2013 ppc - 4.81_20200203"
● NKM8001-A2 hardware version: "Linux 2.6.32.41 #211 Tue Dec 10 18:41:36
CET 2013 ppc - 4.81_20200203
3.2 Protected System Configuration
The NK823x system is a critical business application aimed at protecting people.
Therefore, this system must be protected against attacks and unauthorized access.
NK823x system must be in a separate network zone, here referred to as Protected
Zone or protection zone.
The components in the Protected Zone must not be connected with unsecured
networks in intranet or in the Internet. Allowed connections are those described in
the intended operational environment [➙ 17].
Communication between the Protected Zone and other zones must be through a
firewall and must be limited to the minimum necessary.