gabe@gabegold.com
Date: Thu, 8 Aug 2019 23:31:31 -0400
“Siemens is aware of the research from Technion, Haifa and Tel-Aviv
University to be presented at BlackHat USA 2019,” Siemens said in an emailed
statement to The Times of Israel.
In response, the firm recommended that users of the controller SIMATIC
S7-1200/S7-1500 enable the feature `access protection' to prohibit
unauthorized modifications of the devices. Siemens also recommended to
follow and implement the defense-in-depth approach for plant operations, and
to configure the environment according to its operational guidelines for
Industrial Security.
https://www.timesofisrael.com/researchers-wrest-control-of-one-of-worlds-most-secure-industrial-controllers/
Good response, "prohibit unauthorized modifications of the devices".