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Power Industry Slammer #2

Event Year
2003
Reliability
Confirmed
Country
United States
Industry
Power and Utilities

Description

The SCADA control network used frame relay. The telecommunications frame relay provider utilized Asynchronous Transfer Mode (ATM) through the telecommunications network backbone for a variety of services. The ATM bandwidth became overwhelmed by the worm, blocking SCADA traffic on the Frame Relay service.

Impact

Loss of SCADA communications.