The new systems include an online booking system, e-prescriptions and fast computer network links between NHS organisations as well as the electronic records system.

BBC: Electronic records is one part of the ?6.8bn IT upgrade

To take one example, an ObamaCare-mandated update to a major computer network called the System for Electronic Rate and Form Filing, which governs insurance approvals, has been delayed by months.

WSJ: Review & Outlook: Hope and Exchange

After confirming the breach, the Chamber shut down and destroyed parts of its computer network, proceeding to revamp its security system over a 36-hour period.

ENGADGET: Chinese hackers target U.S. Chamber of Commerce, sensitive data stolen

Virtualisation provides a way of hiding a computer's resources its central processor, operating system, internal memory, network controller, and storage devices behind a software curtain.

ECONOMIST: Putting a stop to online infection

MS-DOS and later Windows as the dominant operating system for the personal computer thanks to its own pioneering efforts, the brilliance of its business strategy and the network effects that give a single standard inherent advantages over any rivals.

ECONOMIST: Busted | The

To my surprise Google returned several results, which I clicked, and was suddenly looking at an interface that allowed the attackers to fully control a network of compromised computer system.

FORBES: Shadows In The Cloud