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Technology

Digital images contain their maker's mark

By Paul Marks

12 November 2008

Âé¶¹´«Ã½. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Digital cameras leave a telltale fingerprint buried in the pixels of every image they capture, allowing forensic scientists to tell what camera model was used to take a shot

(Image: Stock.xchng)

IF YOU thought your digital photos could not be traced back to you, think again. It turns out that digital cameras leave a telltale fingerprint buried in the pixels of every image they capture. Now forensic scientists can use this fingerprint to tell what camera model was used to take a shot.

To capture an image, digital cameras use a light-sensitive microchip called a charge-coupled device, or CCD, made…

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