Mr. Chertoff counseled companies to think long and hard about retaliating on their own, noting that they could end up crippling a server that controls hospital equipment, while also unwittingly hosting malware.

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Orange has installed systems to record BlackBerry, which is the most popular device in financial services because the communications go through a BlackBerry server which offers enterprise controls and security.

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Simple Start enables one-click access to the router dashboard, making it easy to configure a media server, turn on parental controls or troubleshoot from a mobile device.

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But while a typical cockpit may have a hundred or so switches, a single Linux server has hundreds of config files with thousands of controls.

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Unlike the other sites, you can store your content on your own server (for free), which means you can easily have your own URL, and the only person who controls your data is yourself no one can post ads on it or republish it without your permission.

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