Every time a security expert devises a new way to protect computer users from hackers, there is always someone who finds a way around the defense.

University researchers recently developed two new techniques for stealing data from computers that rely on some unlikely hacking tools: cameras and telescopes. While most security research focuses on the attacking software and hardware inside the PC, this "side-channel" research looks at the physical environment.

At the University of California, Santa Barbara, researchers have worked out a way to analyze a video of hands typing on a keyboard in order to guess what was being written. At Saarland University in Germany, researchers have read computer screens from their tiny reflections on everyday objects such as glasses, teapots, and even the human eye.

To get more details:
- see this InfoWorld.com article [1]

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