In an advance that could benefit spies and dissidents alike, computer scientists have developed a way to communicate confidential information so discreetly that an adversary couldn't even know secrets were being shared. Researchers say they have created the first-ever algorithm that hides messages in realistic text, images or audio with perfect security: there is no way for an outside observer to discover a message is embedded. The scientists announced
their results at the recent International Conference on Learning Representations.
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