After hackers compromised an industrial control system (ICS) at a water utility in the United States, the cybersecurity agency CISA issued an alert over the exploitation of the targeted device.
In the case of the Municipal Water Authority of Aliquippa, CISA noted that the attackers likely accessed the ICS device "by exploiting cybersecurity weaknesses, including poor password security and exposure to the internet".
In order to protect their Unitronics PLCs against potential attacks, organizations have been urged by CISA to change the default '1111' password, require multi-factor authentication for remote access to OT systems, ensure that the controller is not directly exposed to the internet, create backups for the PLC's...
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