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Image encryption technique could keep photos safe on popular cloud photo services

The past decade has witnessed scandal after scandal over private images maliciously or accidentally made public. A study from computer scientists at Columbia Engineering reveals what may be the first way to encrypt personal images on popular cloud photo services, such as those from Google, Apple, Flickr and others, all without requiring any changes to – or trust in – those services.

Smartphones now make it easy for virtually everyone to snap photos, with market research firm InfoTrends estimating that people now take more than a trillion photos each year.

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