Cyber security
Product manual 2TMD041800D0010
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11.3
Deployment guideline
All devices need to work in safe mode by default and. all devices in one system shall be signed
by a public CA at commissioning stage, normally management software works as CA.
It’s suggested that compatible mode only to be used when device needs to communicate with
previous generation products. In this mode, data transmission between devices are not
encrypted, it may lead to data leaks and has the risk of being attacked.
11.4
Upgrading
Device supports firmware updates via management software.
11.5
Backup/Restore
None.
11.6
Malware prevention solution
The H81381P.-. device is not susceptible to malware, because custom code cannot be
executed on the system. The only way to update the software is by firmware upgrades. Only
firmware signed by ABB can be accepted.
11.7
Password rule
The user must change the engineering password when accessing the engineering settings for
the first time. This engineering password must not include continuously increasing or
decreasing numbers (e.g. 123456, 654321), and three consecutive identical numbers are
similarly not permitted (e.g. 123444, 666888).
