Web giants Google, Facebook and Twitter have joined forces with a British charity in a bid to remove millions of indecent child images from the net.
In a UK first, anti-abuse organisation Internet Watch Foundation (IWF) has begun sharing lists of indecent images, identified by unique “hash” codes.
The IWF, which works to take down indecent images of children, allocates to each picture it finds a “hash” – a unique code, sometimes referred to as a digital finger-print.
By sharing “hash lists” of indecent pictures of children, Google, Facebook and Twitter will be able to stop those images from being uploaded to their sites.
Online security specialists welcomed the move as a positive step, but said it would not block content on the “darknet” – a network with restricted access – where abusers often posted images.
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