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November 30, 2008  5:05 AM

Security Concerns of UC Networks



Posted by: Tony Bradley
Nortel, SIP, Sipera Systems, UC, Unified Communications, VLAN, VoIP security

When voice was just voice, it did not pose a security risk to the data network...at least not directly. It could be argued that there is still potential to exploit the voice network for social engineering purposes that result in a compromised data network, but that is a semi-convoluted argument and...

October 19, 2008  2:06 PM

Is VoIP Ready for Mission-Critical Primetime?



Posted by: Tony Bradley
availability, communications, data, Encryption, mission-critical, Security, VLAN, VoIP

For most businesses, VoIP offers a compelling business argument. Merging the voice network with the data network means only implementing one hardware and wiring infrastructure. VoIP systems are easier to administer and maintain that traditional PSTN phones. The list goes on and on. VoIP is not...


October 19, 2008  1:28 PM

VoIP Security: Don’t Be Complacent



Posted by: Tony Bradley
Encryption, Security, VLAN, VoIP

One of the biggest problems with information security is that it is almost always reactive. The entire antivirus industry is built on a model where new threats are unleashed on the unprotected public first, then the antivirus vendors capture a sample and create a defense for the threat to add to...


January 28, 2008  4:30 PM

Configuring VLAN’s



Posted by: Tony Bradley
Subnets, Switches, VLAN, WAN

One of the ways to organize your network so that it is easier to manage and protect is to segment it into smaller, interconnected subnets. Using a virtual LAN, or VLAN, you can easily and conveniently set up separate subnets, and connect ports from various switches, or even separate buildings, so...


November 30, 2007  5:44 PM

Projected Network Infrastructure Spending For 2008



Posted by: Tony Bradley
Ethernet, IP, IP communications, Network Access Control, Networking, UCC, Unified Communications, VLAN, VoIP, wi-fi, Wireless

What are your plans for your network infrastructure for 2008? Do you have a holiday wish list or some New Year's resolutions regarding the technologies you want to implement or the changes you plan to make? TechTarget's SearchNetworking site conducted a survey of over 1,200 respondents and they...


November 29, 2007  2:17 PM

LAN Security: What Hackers Don’t Want You To Know



Posted by: Tony Bradley
ARP Poisoning, Ethernet, Hackers, LAN, Networking, Security, Switches, VLAN

This blog is titled "Connectivity" because it deals with all aspects and issues of network connectivity. That includes how to ensure your network connectivity is secure and available, and how to make sure that malicious attackers can not intercept or disrupt your network connectivity. Do you know...


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