Corporations have traditionally leased transmission capacity or contracted bandwidth services from common carriers to create their own private wide area network (WAN). However, a WAN is expensive to create and maintain. The economics and technology...

Virtual-private networks or VPNs are public networks that function like private networks. VPNs operate by drawing on software-defined intelligence embedded at strategic points in a carrier network (such as those provided by AT&T, MCI Worldcom, or...

A virtual private network (VPN) is a communications network tunneled through another network, and dedicated for a specific network. One common application is secure communications through the public Internet, but a VPN need not have explicit security...

The latest connectivity device uses the Internet to reduce costs and boost performance and security. EVEN IF YOU'VE ONLY DIPPED YOUR TOE INTO network connectivity, you won't be taking much of a leap when you're ready to create a virtual private network,...

It goes by various names-the virtual private network, the software-defined network. For companies and government agencies around the United States, this new telephone technology is attaining status as a must-have, a "strategic asset" that allows them to talk and send data between geographically scattered...

What's to prevent the next big data leak fiasco? Not enough, studies out this week suggest.A year ago, worries arose that sensitive records on 26.5 million people had been divulged when a laptop was stolen from the home of a Department of Veterans Affairs employee....

Apparently there's not so much safety in numbers.Big cities have more wireless networks than ever, but about one in five practically roll out a red carpet for intruders, a new study shows.The number of Wi-Fi hot spots and business wireless network access points in New...