Power Industry Slammer #2

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

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.


Loss of SCADA communications.