Blog

Call Security Risks Remain High for Emergency 911 Call Centers

A Message From the CEO: Our Response to COVID-19

SIP Trunk Security – 2nd Excerpt from Our Voice Security Report

Lee Sutterfield Talks Robocalls on NPR’s “Here & Now”

DHS Small Business Innovation Research Program Awards 1,000th Contract

EC 2019: SecureLogix Explains Voice Network Security and Call Fraud Detection

DHS and Securelogix Partnering to Prevent Spoofing & TDoS Attacks

Understanding 911 Vulnerabilities to TDoS & DDoS Attacks

Dutch Hacker Case in Early 90s Was a Test For San Antonio Cyber Pioneers

Article about Toll Fraud on Mobile Devices

Links to recent TDoS articles

Some more information about how TDoS affects 911 systems

Discussion of TDoS Attacks Against 911 in The Cyber Shield

Follow up article in GCN about how DHS S&T CSD is working to solve TDoS attacks for 911

Some recent articles on Telephony Denial of Service (TDoS) and how it affects 911

70 people busted for IRS scam

Videos from the DHS Cyber Security Division (CSD) workshop earlier this year

Back to Blogging

Video on a How to Use a Burner Cell Phone for TDoS

The National Law Review Talks About Telephony Denial of Service (TDoS)

The Department of Homeland Security (DHS) and SecureLogix Team on TDoS Research

How Pakistan Helped Capture a Criminal Responsible of Millions in Toll Fraud

Past Webinar on Telephony Denial of Service (TDoS)

New VoIP Security Penetration Testing Tool – Bluebox-ng

Anonymous Planning Telephony Denial of Service (TDoS) Attacks Against Law Enforcement and CPS

New Telephony Denial of Service (TDoS) Tool

Telephony Denial of Service (TDoS) Service

Great Toll Fraud Article

A Video on Telephony Denial of Service (TDoS)

Link to My Webinar on Telephony Denial of Service (TDoS)

FTC Continues Their Battle Against Robocalls With Zapping Rachel Challenge at DEFCON 22

Robocalls to Cell Phones

FBI Private Industry Notification on Telephony Denial of Service (TDoS)

Firm Avoids a Toll Fraud Charge

Several Articles on VoIP Security by Jon Arnold on Toolbox

Secure Telephony Identity Revisited (STIR)

Blast From the Past – Wardialing in 2014 in a VoIP World

Good Video on VoIP Security and Telephony Denial of Service

Centralized SIP Trunk Security – 3rd Excerpt from Our Voice Security Report