Accidental Remote Control

Event Year: 2000 Reliability: Likely But Unconfirmed
Country: Sweden
Industry Type: General Manufacturing
Description:

A simulation device located in the UK and identical to that installed in the running plant was also given the same communication parameters as were used on the plant device. Eventually the device in the UK assumed control.

Impact:

Approximately 4 hours production loss.

Action Description: Isolation of the process network. Introduction of process network firewall. Secure site access control system.