Mark Collier's VoIP Security Blog
This blog covers Voice, Voice over IP (VoIP), and Unified Communications (UC) security.
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Books
Amazon.com: Hacking Exposed VoIP: Voice Over IP Security Secrets & Solutions
Amazon.com: Seven Deadliest Unified Communications Attacks
Hacking VoIP: Protocols, Attacks, and Countermeasures: Himanshu Dwivedi: Books
Securing VoIP Networks
Voice over Internet Protocol (VoIP) Security
Practical VoIP Security
Understanding Voice over Ip Security
Conferences
IP Telephony, UC, Converged Networks, SIP Trunking Conference - Enterprise Connect - Home, 3/2012
Recent Posts
Article on Telecom/Toll Fraud in 2011
TDoS/Harassing Call/Phone Bombing Attack on MI6
Social Engineering Used to Steal From Billionaire Paul Allens Acount
Contact Center Social Engineering/Fraud Article
Caller ID Spoofing Used for Voice Phising (Vishing) Attacks
Another Toll Fraud Attack
Telephony Denial of Service (TDoS) Attack on BBC
Hacker/Thief Steals $2,100,000 Through Fax Fraud
Caller ID Has Pretty Much Become Worthless
FCC Moves to Protect Consumers from Automatically Generated Calls
Archives
April 2012
March 2012
February 2012
January 2012
December 2011
November 2011
September 2011
August 2011
June 2011
April 2011
General Articles
How to Stop Call Center Fraud - BankInfoSecurity, 3/2012
Finextra: Wells Fargo wires crook $2.1m, 2/2012
Attackers Divert Bank Phone Calls to Cover Tracks - Dark Reading, 2/2012
FCC Passes Law Allowing Consumers to Block Automatically Generated Calls, 2/2012
Metasploit: Board Room Spying for Fun and Profit | SecurityStreet, 2/2012
Video Security Issues, 1/2012
VoIP Hopper 2.01 Released – IP Phone VLAN Hopping Tool | Darknet - The Darkside, 11/2011
Hiding messages in VoIP packets, 10/2011
Skype Security Flaw Potential Terrorist Threat, NYU Professor Says | Fox News, 10/2011
Massive DDoS attacks a growing threat to VoIP services - VoIP, unified communications, Telecommunication, security, networking - CIO, 10/2011
Courthouse News Service, 8/2011
VoIP Security Threats Explained, 8/2011
VoIP Security: Sweat It, at Least a Little Bit | Blogs | ITBusinessEdge.com, 1/2011
Master of Unified Communications: Addressing UC Security Concerns | Network World, 10/2010
Cisco Community Central: Innovators Forum, VoIP Security, 11/2010
NoJitter Article on Vunneling, 6/2010
NoJitter Article on UC Security, 8/2010
Security Issues in VoIP, 7/2010
Scammer hacks Prescott company's Internet phone system - The Prescott Daily Courier - Prescott, Arizona, 3/2010
Alleged Hacking-Terror Effort Thwarted - WSJ.com, 6/2009
Archives
April 2012
March 2012
February 2012
January 2012
December 2011
November 2011
September 2011
August 2011
June 2011
April 2011
March 2011
February 2011
January 2011
December 2010
November 2010
October 2010
September 2010
August 2010
July 2010
June 2010
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April 2010
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July 2007
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May 2007
April 2007
March 2007
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January 2007
December 2006
November 2006
October 2006
September 2006
August 2006
July 2006
June 2006
May 2006
April 2006
March 2006
Categories
Hacking Exposed: VoIP
Telephony DoS
Toll Fraud
UC security
Voice Security
Voice SPAM
VoIP Phishing
VoIP Security
VoIP Security Tools
VoIP Vulnerabilities
VoIPSA
Toll Fraud
1000 scam calls hit WA business - Networks - SC Magazine Australia - Secure Business Intelligence, 3/2012
Security Manager's Journal: Hackers Call Home, on Our Dime - Computerworld, 2/2012
Man From Maryland Sentenced for $4 Million Payphone Fraud Scheme | LoanSafe, 1/2012
AstriCon VoIP Security - $400,000 toll fraud - YIKES!, 10/2011
North West Evening Mail | News | Furness firm targeted by Somalian fraudsters, 4/2011
BBC News - The other kind of phone hacking, 2/2011
BBC News - Hackers target NI Department of Finance phone network, 2/2011
Businesses Warned About Recent Toll Fraud | Bernews.com, 2/2011
Phone fraudsters leave businesses on hook - The Globe and Mail, 11/2009
PBX hacking continues to threaten business owners - News - News | siliconrepublic.com - Ireland's Technology News Service, 5/2009
Businesses hit by phone fraud want political action - CTV News, 2/2009
FEMA phones hacked; calls made to Mideast, Asia - Technology & science - Security - msnbc.com, 8/2008
Firms warned over ‘toll’ fraud scam - News - Garstang Courier, 10/2010
Phone scam could cost Flintshire charity thousands of pounds - Flintshire Chronicle, 11/2010
Security Manager's Journal: Slammed with a $100,000 phone bill - Computerworld, 11/2010
Companies hit by 400% increase in phone fraud | The National Business Review, 11/2010
BT Wholesale The Loop, February 2010, 2/2010
Profiting From Fraud Is Not Good Business, Protecting Your Customers Is, 11/2009
Internet phone systems become the fraudster's tool, 10/2009
Business Stuck With Big Bills After Phone Lines Hacked - News Story - WSOC Charlotte, 8/2009
Telephony Denial of Service (TDoS)
Team Poison hacks MI6 —then calls to boast - Technology & science - Security - msnbc.com, 4/2012
BBC News - Cyber-attack on BBC leads to suspicion of Iran's involvement, 3/2012
FBI — Cyber Security: Threats to the Financial Sector, 9/2011
FBI — Phony Phone Calls Distract Consumers from Genuine Theft, 5/2010
Rapper The Game May Face Charges Tied To Flash Mob Calls | FoxNews.com, 8/2011
Hack Attack: How to Protect Your Online Accounts - WSJ.com, 10/2010
The telephony denial of service attack | Latest Security News | GSO - Network Security Resources, 5/2010
New telephony denial-of-service attacks used by thieves, 5/2010
Thieves Flood Victim’s Phone With Calls to Loot Bank Accounts | Threat Level | Wired.com, 5/2010
Telephony Denial-of–service (TDOS) Being Used To Distract Consumers From Genuine Theft, Warns FBI | VOIP IP Telephony, 5/2010
VoIP Security Blogs/Links
blog | TrustID | Automatic Caller Authentication
SecVoipSecVoip » VoIP/VVoIP/UC Security Blog
VOIP Security Resources - The Security Skeptic
Voice over IP Security Alliance (VOIPSA)
No Jitter VoIP Security Blog
Seven Deadliest Unified Communications Attacks
Blue Box: The VoIP Security Podcast
VoIP Security - VoIP News
Ari Takanen's blog | ITworld
VoIP security - Network World
Skype Security Blog
Tools
VoIP Hopper, 11/2011
SecureLogix® VOIP Tool Set
A Simple Asterisk Based Toll Fraud Prevention Script
Voiper
VOIPSA : Resources : VoIP Security Tools
sipflanker - Google Code
SIPVicious
Advisory Sites
Avaya Advisories
Nortel: Technical Support: Security Advisories
Cisco Advisories
Asterisk Advisories
Research | VoIPshield Systems Inc.
Voice SPAM/Voice Phishing
FBI: Pa. man stole Microsoft co-founder's identity - Yahoo! News, March 27, 2012
Fake Caller ID Attacks On The Rise - Dark Reading, 3/2012
Cybercriminals use "computer security" phone scam to grab credit card details, 6/2011
VoIP Phishing in the Salt Lake Area, 7/2010
Internet phone systems become the fraudster's tool, 10/2009
Its only a matter of time until IP telephony is hit by spam and malware experts say, 6/2008
[0806.1610] SPAM over Internet Telephony and how to deal with it
The Anatomy of a Vishing Scam - Security Fix, Security Fix, 3/2008
Rucus Info Page
Vishing: The Latest, and Greatest, Security Concern | Security | bMighty.com, 2/2008
Does UC present new opportunities for spammers? | IT Security | TechRepublic.com, 1/2008
SPAM and SPIT: what are the dangers? | IT Security | TechRepublic.com, 1/2008
Why VoIP is the next target for spammers | Technology | The Guardian, 11/2007
Interesting Documents
State of Communications Security Report, 3/2011 - Bottom of Site
PBX Hacking and Telephony Fraud Notice by Ireland’s Commission for Communications Regulations, 5/2009
Cisco White Paper on VoIP Security
Emerging Cyber Threats for 2009, 10/2008
Paper on General VoIP Security, x/2007
SANS Institute - VoIP Security Vulnerabilities, 12/2007
eBook from ShoreTel With Chapter on VoIP Security
NIST VoIP Security Guidelines
VoIP Security Learning Guide
VoIP Security: A Layered Approach
VoIP Security Threat Taxonomy
Interesting Presentations
Toll Fraud Presentation
Voice of VOIPSA » Blog Archive » Slides: SIP Trunking and Security in an Enterprise Network, 9/2008
ICE Tutorial
Another Presentation on Nortel Unistim Vulnerabilities, xx/2007
Presentation on Nortel Unistim Vulnerabilities, xx/2007
Peer-to-peer SIP Security Presentation, 2/2008
Voice of VOIPSA » Blog Archive » “Hacking and Attacking VoIP Systems” - Slides from my Astricon 2007 presentation about Asterisk and VoIP security, 1/2008
Independent Research | iSEC Partners
RTP Stenography
Dustin Trammells Presentation on VoIP Security