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Cybersecurity notes
Siemens provides products and solutions with industrial cybersecurity functions that support
the secure operation of plants, systems, machines and networks.
In order to protect plants, systems, machines and networks against cyber threats, it is
necessary to implement – and continuously maintain – a holistic, state-of-the-art industrial
cybersecurity concept. Siemens' products and solutions constitute one element of such a
concept.
Customers are responsible for preventing unauthorized access to their plants, systems,
machines and networks. Such systems, machines and components should only be connected
to an enterprise network or the internet if and to the extent such a connection is necessary
and only when appropriate security measures (e.g. firewalls and/or network segmentation)
are in place.
For additional information on industrial cybersecurity measures that may be implemented,
please visit
https://www.siemens.com/global/en/products/automation/topic-areas/industrial-
cybersecurity.html
industrial-cybersecurity.html).
Siemens' products and solutions undergo continuous development to make them more
secure. Siemens strongly recommends that product updates are applied as soon as they are
available and that the latest product versions are used. Use of product versions that are no
longer supported, and failure to apply the latest updates may increase customer's exposure
to cyber threats.
To stay informed about product updates, subscribe to the Siemens Industrial Cybersecurity
RSS Feed under
https://new.siemens.com/global/en/products/services/cert.html
global/en/products/services/cert.html).
Firmware
The firmware is signed and encrypted. This ensures that only firmware created by Siemens can
be downloaded to the device.
The firmware is available on the Internet pages of the Siemens Industry Online Support:
support.industry.siemens.com/cs/ww/en/ps/15982/dl)
Note on firmware/software support
Check regularly for new firmware/software versions or security updates and apply them. After
the release of a new version, previous versions are no longer supported and are not maintained.
Decommissioning
Shut down the device properly to prevent unauthorized persons from accessing confidential
data in the device memory.
To do this, restore the factory settings on the device.
Also restore the factory settings on the storage medium.
SCALANCE M804PB
Operating Instructions, 11/2023, C79000-G8976-C496-04
(https://www.siemens.com/global/en/products/automation/topic-areas/
(https://new.siemens.com/
(https://
Preface
5
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