Mark Collier's VoIP/UC Security Blog
This blog covers Voice, Voice over IP (VoIP), Unified Communications (UC), and collaboration security
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Categories
Hacking Exposed: VoIP
Social Engineering
Telephony DoS
Toll Fraud
UC security
Voice Security
Voice SPAM
VoIP Phishing
VoIP Security
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VoIPSA
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About
Recent Posts
Links to recent TDoS articles
Some more information about how TDoS affects 911 systems
Discussion of TDoS Attacks Against 911 in The Cyber Shield
Young Hacker "Accidentally" Generates a TDoS Attack Against 911
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
Archives
November 2016
October 2016
July 2016
August 2015
July 2015
June 2015
March 2015
February 2015
January 2015
October 2014
My Books
Hacking Exposed Unified Communications & VoIP Security Secrets & Solutions 2/E: Mark Collier, David Endler: 9780071798761: Amazon.com: Books, 12/2013
Hacking Exposed VoIP: Voice Over IP Security Secrets & Solutions: David Endler,Mark Collier: 9780072263640: Amazon.com: Books
My Voice Security Articles
Investigators faced high-tech puzzle in tracing R.I. robocall threats - News - providencejournal.com - Providence, RI, 2/2016
Exploring the Telephony Denial of Service (TDoS) Security Affairs, 1/2014
DHS warns of TDoS attacks - Krebs on Security, 4/2013
Swindlers use telephones, with Internet Tactics (TDoS), 1/2014
SecureLogix CTO: The UC network security issues enterprises face, 4/2014
Mark Collier Article on VoIP/UC Security, 3/2013
Voice Security Docs/Videos
How SIP has made voice attacks more common, 6/2014
DEF CON 22 - Weston Hecker - Burner Phone DDOS 2 dollars a day : 70 Calls a Minute - YouTube, 8/2015
Kamailio World 2015 - Sergio García Ramos - VoIP Security – Bluebox ng Continuous Pentesting - YouTube, 6/2015
A presentation on toll fraud, 12/2014
Keeping Denial of Service and Financial Fraud out of Your Contact Center, 6/2015
SecureLogix® State of Security Report, 6/2014
Carolinacon 2014 - How To Get Money Fast Using A Pwned Pbx - Patrick Mcneil / Unregistered436, 6/2014
Hacking SIP Like a Boss! (Athcon 2013) Live Demo Remake - YouTube, 7/2013
VoIP Security for Dummies, 9/2013
VoIP Wars : Return of the SIP, 7/2013
Voice Security Links
VOIP Security - voip-info.org
Telecom Fraud and Technologies
A Unified Communications / IP Telephony Security Blog
blog | TrustID | Automatic Caller Authentication
VOIP Security Resources - The Security Skeptic
Voice over IP Security Alliance (VOIPSA)
Seven Deadliest Unified Communications Attacks
Blue Box: The VoIP Security Podcast
Telephony Denial of Service (TDoS)
“TNT” gang has released a new hardware TDoS toolSecurity, 2/2015 Affairs
5 Types of Contact Centers Security Issues & How To Combat Them, 2/1015
Managed anti-forensics IMEI modification services fuel growth in the non-attributable TDoS market segment Webroot Threat Blog, 4/2014
TDoS products evolution in the underground market | Security Affairs, 1/2014
TDoS extortionists jam phone lines of public services, including hospitals | Naked Security, 1/2014
New TDoS market segment entrant introduces 96 SIM cards compatible custom GSM module, positions itself as market disruptor Webroot Threat Blog, 1/2014
Vendor of TDoS products/services releases new multi-threaded SIP-based TDoS tool Webroot Threat Blog, 11/2013
DDoS for hire vendor 'vertically integrates' starts offering TDoS attack capabilities Webroot Threat Blog, 9/2013
TDoS attacks on the rise: Who is at risk and what to do under attack, 9/2013
9-1-1 Magazine: The Growing Threat to PSAPs from Telephony Denial of Service (TDoS) Attacks, 7/2013
DIY SIP-based TDoS tool/number validity checker offered for sale | Webroot Threat Blog - Internet Security Threat Updates from Around the World, 04/2013
TDoS | Webroot Threat Blog - Internet Security Threat Updates from Around the World, 06/2013
DHS, FBI warn over TDoS attacks on emergency centers - CSO Online - Security and Risk, 4/2013
Telephony Denial of Services (TDOS) to Public Safety Communications Phone Service | Public Safety Communications, 3/2013
FBI — Cyber Security: Threats to the Financial Sector, 9/2011
Rapper The Game May Face Charges Tied To Flash Mob Calls | FoxNews.com, 8/2011