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How to send password to encrypted document sending by email, if we only have recipient email address?

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Tomasz Created:   May 28, 2021 Last commented:   Jun 01, 2021

How to send password to encrypted document sending by email, if we only have recipient email address?

Hi,

I have a problem with sending sensitive data via email securly .The file I want to send is already encrypted but the recipient need a password to decrypt. I always send such passwords by different communication channels, but this time I only have recipient email address. What would be the best way to send such password?  In separate email? Or maybe You can addvice me a better way to protect sensitive date sending by email if I only have recepient email?

Thank You in advance for your sugesstions

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ISO 27001 DOCUMENTATION TOOLKIT

Step-by-step implementation for smaller companies.

ISO 27001 DOCUMENTATION TOOLKIT

Step-by-step implementation for smaller companies.

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Rhand Leal Jun 01, 2021

In the situation where you don’t have any means to establish a second channel of communication (i.e., the recipient refuses to define or establish one), the less insecure way to deliver the decryption password by e-mail is by sending it through a separate e-mail, making sure this email does not have any indication of its content (e.g., do not use in the subject or body words like password, archive, cryptography, etc.), and it is not sent just after the e-mail with the encrypted file.

A more complex, and secure option, would be sending an e-mail with an invitation for a meeting (e.g., using free versions of virtual meeting applications), and after confirming the identity of the recipient, send the password as a message, or file. This alternative would take advantage of the encrypted communication channel between you and the recipient to provide a greater level of security.

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May 28, 2021

Jun 01, 2021

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