![]() Whether you have one or many files to send, you should compress and zip them up into a single bundle. But at a bare minimum, you need to encrypt the files themselves. Ideally, you will want to do both – that is, encrypt the files you’re sending and then send those files using an encrypted transfer mechanism. ![]() We’re going to be talking about two distinct modes of encryption here: encrypting the files themselves (‘data at rest’) and encrypting the files as they are traversing the interwebs (‘data in motion’). ![]() If done properly, encryption makes a file unintelligible gibberish – and only someone with the key can decrypt it. Email is just not secure (unless you go to great pains to make it so) and your file(s) may last forever on some server somewhere, even if both the sender and receiver “delete” the email.Īs you might suspect, the key to sending files securely is to use encryption. You should never send this sort of info in an email – as an attachment or in the email body itself. If you need to send someone private or sensitive information over the internet (like, say, sending your financial info to your tax preparer or sending medically sensitive information), then you really must do it securely.
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