Signal, Whatsapp, etc are great, as long as I don’t have access to your phone and password, right? Likewise, what if your phone’s operating system has a critical vulnerability that the OS makers don’t know about (AKA a zero day) that can allow a complete remote takeover of your device after a single click on a text message? It didn’t end well for Jamal Kashoggi: https://www.cnn.com/2019/01/12/middleeast/khashoggi-phone-malware-intl/index.html
E2EE is great for data in transit, and full disk encryption is great for if someone steals your locked device. Neither will help if you have compromised code running on your machine, though.
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Signal, Whatsapp, etc are great, as long as I don’t have access to your phone and password, right? Likewise, what if your phone’s operating system has a critical vulnerability that the OS makers don’t know about (AKA a zero day) that can allow a complete remote takeover of your device after a single click on a text message? It didn’t end well for Jamal Kashoggi: https://www.cnn.com/2019/01/12/middleeast/khashoggi-phone-malware-intl/index.html
E2EE is great for data in transit, and full disk encryption is great for if someone steals your locked device. Neither will help if you have compromised code running on your machine, though.
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There are a lot of parts to the puzzle! It’s easy to miss some.