But Signal uses other techniques to keep your messages private and safe as well. For example, it goes to great lengths to make it hard for the Signal server itself to know who else you are talking to (a feature known as “sealed sender”), or for an attacker who records traffic between phones to later decrypt the traffic by seizing one of the phones (“perfect forward secrecy”). These are only a...

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New York CNN — If you hadn’t heard of Signal before Monday, chances are you have now. The secure messaging app, available for iPhones and Android devices, has long been popular with journalists because of its robust privacy features. But the Atlantic’s editor in chief, Jeffrey Goldberg, revealed on Monday that he had been added to a group chat with President Donald Trump’s Cabinet members...

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New York CNN — As we all live more of our lives online, it’s important to understand who might have access to our conversations and internet searches – and to understand how to maintain privacy in an increasingly connected world. In the days since billionaire Elon Musk and his Department of Government Efficiency associates have blazed through various government agencies, journalists have...

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