Cashing in on Internet censorship - CNN.com

(CNN) -- A growing number of software companies are capitalizing on an unexpected business opportunity: Internet censorship.

In countries where governments continue to ramp up Web filtering systems, more people are searching for tools that will allow them to access inaccessible information -- and they are willing to pay for them.

Such tools include virtual private networks (VPN), proxy servers and other workarounds that enable users to breach barriers to blocked information online.

VPNs "tunnel" through to servers in a country with no Web controls, encrypting information under an anonymous computer address to conceal private traffic. Proxies also allow unfiltered Internet access but are considered less secure than VPNs.

Cashing in on Internet censorship - CNN.com

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