---
title: Stopping TDoS Attacks
metaTitle: "Stopping TDoS Attacks"
slug: stopping-tdos-attacks
date: "2017-04-18T14:20:23-05:00"
image:
  src: "https://cdn.securelogix.dev/slx/images/undefined.webp"
sourcePublisher:
  name: Homeland Security News
  url: bit.ly
sourceArticle:
  url: "https://bit.ly/2o1bXu0"
tags: [Homeland Security, TDoS]
status: published
---

April 18, 2017

Imagine if your call to 911, your financial institution, a hospital, or even your child’s school doesn’t get through. In the past few years, 911 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. DHS S&T is working to make sure TDoS attacks cannot disrupt critical phone systems...