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VoIP security


November 30, 2008  1:38 AM

Beware Extension ’9011′



Posted by: Tony Bradley
9011, extension 9011, international direct dial, toll fraud, VoIP, VoIP security

If you have ever used a corporate phone system, you are probably familiar with the concept of dialing '9' to get an outside line. That allows employees to simply dial extensions to communicate internally, but still use the normal plain old telephone system for placing calls outside of the company....

November 16, 2008  1:54 PM

UCSniff Brings Vulnerability Scanning to VoIP



Posted by: Tony Bradley
penetration testing, Sipera, UCSniff, VoIP, VoIP security, vulnerability scanning

Sipera Viper Labs has developed a new VoIP security tool called UCSniff. UCSniff monitors VoIP communications and identifies weaknesses or holes in VoIP security which could potentially be exploited by an attacker. As this


November 14, 2008  2:29 PM

VoIPshield Finds Flaws With Microsoft UC



Posted by: Tony Bradley
Denial-of-Service, DoS, media channel, Microsoft, RTP, SIP, UC, Unified Communications, VoIP security, VoIPshield

VoIPshield, a VoIP security solutions company based in Ottawa, Canada, recently discovered vulnerabilities affecting the RTP (Real-time Transport Protocol), a standard data format used for delivery of audio and instant messaging packets over the Internet. Microsoft Office Communications Server...


October 30, 2008  9:12 PM

SecureLogix Brings New Patent to VoIP Security



Posted by: Tony Bradley
exploit, patent, SecureLogix, threat, UC, Unified Communications, VoIP security

SecureLogix, a leader in VoIP (and unified communications) security, was awarded their first patent in 1998 when they introduced the first firewall for voice networks. As VoIP has grown and been embraced by corporations and consumers alike, SecureLogix has continued to innovate and develop new...


September 29, 2008  3:41 AM

Free VoIP Security Tools from SecureLogix



Posted by: Tony Bradley
free tools, Mark Collier, SecureLogix, Security, VoIP security

SecureLogix has released a suite of VoIP security assessment tools that are available as a free download from their web site (SecureLogix.com).  The tools can help analyze the security of your VoIP network and determine whether it is susceptible to...


September 20, 2008  5:13 PM

Risk of RTP ‘Monoculture’



Posted by: Tony Bradley
FUD, monoculture, Real-Time Transport Protocol, RTP, SecureLogix, VoIP security, VoIPshield

One of the issues or stumbling blocks facing organizations as they adopt unified communications is the interoperability (or lack thereof) between systems. A company would like to know that the platform they invest in will be able to integrate, or at least cooperate with, disparate platforms being...


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