A security flaw in Facebook's and Instagram's systems is allowing users' private photos to be shared with people who do not follow them, researchers have warned.
The hack, identified by Buzzfeed, appears to allow followers to download images and then distribute them among other friends, even if the person whose photos they are has a private account and has not agreed to let those friends see their photos.
The researchers, comprised of reporters from Buzzfeed as well as IT specialists, said the work-around could also be used on so-called "Stories", the short videos which people can upload to their profiles on Facebook and Instagram that are meant to be deleted after 24 hours.
They said the hack...
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