Microsoft releases tool to spot abuse images

Microsoft has released a free tool that lets website owners spot when images of child abuse are being shared by users.

It said it had made the PhotoDNA tool available to tackle the 720,000 abuse images uploaded to the net every day.

Police forces, anti-abuse organisations and large social networks have been using the tool for some time to dig out the illegal images.

Microsoft said the online tool was for small firms that lack the resources to do image-checking themselves.

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Spotting abuse images among the 1.8 billion pictures uploaded to online services every day was an almost impossible task, said Courtney Gregoire, a senior lawyer at Microsoft’s Digital Crimes Unit in a blogpost outlining the initiative.

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