2 Research Programs Work to Stop TDoS Attacks on 9-1-1 Centers


April 11, 2017

The DHS Science and Technology Directorate (S&T) is working to make sure TDoS attacks cannot disrupt critical phone systems including emergency calls to public-safety answering points (PSAPs) through two research projects.

9-1-1 emergency call centers, financial services companies and a host of other critical service providers and essential organizations have been victims of telephony denial of service (TDoS) attacks. These attacks are a type of denial of service (DoS) attack in which a voice service is flooded with so many malicious calls valid callers can’t get through...