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December, 2007

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December 31, 2007  12:38 PM

Consumers Emerge as Driving Force Behind IT Strategy



Posted by: Tony Bradley
Broadband, Cisco, Development, Microsoft Windows, Networking

Consumers typically play 2nd Fiddle to the Enterprise customers when it comes to IT strategy and development. Microsoft used to have separate operating system platforms for enterprise and consumer desktops with Windows NT Workstation and Windows 98, but that has evolved into one operating system...

December 31, 2007  5:13 AM

Determining and Optimizing WAN Bandwidth



Posted by: Tony Bradley
Broadband, Ethernet, IP, Networking, WAN

If you have to connect multiple sites that are not physically in the same building or campus, it can be a little tricky establishing the kind of connectivity and throughput you need for remote sites to work effectively with the primary servers across the WAN connection. Dividing the file size by...


December 28, 2007  8:39 PM

What Happened to IPv5?



Posted by: Tony Bradley
IP, IP communications, IPv4, IPv6, Silvia Hagen

You are probably familiar with the fact that IPv4 is more or less the standard that the Internet and networks of the world rely on. IPv6 is the emerging standard developed to expand the available pool of addresses as well as addressing a variety of performance and security issues in IPv4. So, why...


December 28, 2007  8:27 PM

VoIP Vulnerabilities



Posted by: Tony Bradley
skype worm, toll fraud, Unified Communications, vishing, VoIP

I know I am a broken record, or kicking a dead horse, or some other analogy about stating the same obvious thing over and over, but as the world adopts VoIP for voice communications they need to be aware of the security risks and take the appropriate steps to protect their communications and their...


December 27, 2007  1:26 PM

Social Networking Security Risks



Posted by: Tony Bradley
Facebook, Michael Gregg, MySpace, Social networking

Aside from the obvious waste of company time that could otherwise be put to some productive use, should organizations be concerned about employees using social networking sites? Maybe. In fact, company policy regarding social networking sites should possibly extend beyond working hours. An employee...


December 27, 2007  1:17 PM

Giancarlo Departs Cisco



Posted by: Tony Bradley
Charles Giancarlo, Cisco, John Chambers

The odds on favorite being groomed to replace Cisco CEO John Chambers was Chief Development Officer Charles Giancarlo. However, Giancarlo apparently has other plans. He announced that effective December 31, 2007 he will be leaving Cisco to pursue other opportunities. Giancarlo was instrumental in...


December 19, 2007  10:04 PM

The Insider Threat



Posted by: Tony Bradley
Hackers, Internet, Intrusion prevention, Networking, Security, Windows Security

I know that it is sort of a "sky is falling", FUD (Fear, Uncertainty, and Doubt) sort of statement, but the threat from inside your network is significant. While you focus on keeping unauthorized users out, locking down your network perimeter, detecting and blocking incoming malware, etc., your...


December 17, 2007  6:06 PM

Free Tool From Microsoft To Troubleshoot VoIP Issues



Posted by: Tony Bradley
Microsoft Windows, Office Communications Server 2007, Office Communicator 2007, UCC, Unified Communications, VoIP

VoIP has a number of benefits, but it can have its down sides as well. One downside is that the sound-quality of the phone calls can have issues. Normal telephones sometimes have sound issues as well though. The benefit of VoIP is that, because the communications are network-based, it can be...


December 11, 2007  2:21 PM

Cisco Confirms VoIP Security Hole



Posted by: Tony Bradley
Cisco, Hackers, IP communications, VoIP

VoIP is the new wireless (unfortunately, wireless is still the new wireless as well). By that, I mean it is the hot new technology that everyone is implementing even though they don't really know how to properly deploy it and they have even less knowledge of how to secure it. Vendors are guilty...


December 5, 2007  2:41 PM

Next-Generation IPS From Cisco



Posted by: Tony Bradley
Cisco, Gigabit ethernet, Intrusion prevention, IPS, Networking

For organizations that have high-volume networks, such as networks that are used to stream audio or video, or networks that are used to process large quantities of transactions, monitoring can be a problem. The functionality of the network, and the security of the network, are in conflict. From a...


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