PSAP (public-safety answering point)

DHS, FBI Warn of Denial of Service Attacks on Emergency Telephone Systems

TDoS attacks attempt to flood telephone networks with calls to overwhelm them, much the same way attackers will route Internet traffic to overwhelm a computer network. In a security alert from the FBI and Department of Homeland Security (DHS) published by security blogger Brian Krebs, authorities warned of the possibility that such attacks could be launched against the public sector.

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