Sometimes, just that knowledge can be dangerous. There is no hiding the fact that the sender and recipient communicated. Yet, no one says this.Īnother insecure aspect of this has to do with metadata. The recipient is much more secure if they view the message in a browser with no extensions. This is a familiar soap box for me, I have stood on it before. Far too many extensions can see and manipulate every web page. The security of browser extensions is an industry disgrace.
More specifically, it is only as secure as the extensions installed in your web browser. It is only as secure as your web browser. Reading the encrypted message BIG PICTURE The option to encrypt the message, for those not in the ProtonMail club, is the lock icon at the bottom, indicated by the red arrow. In the screen shot below, someone at the website is creating a new email message. Two wrong answers are normal email and text messages as neither is the least bit secure. A phone call, smoke signals, secure messaging software (such as Signal or Threema), an index card in their lunch box, whatever works for the sender and recipient. How the recipient gets the password is up to the sender and recipient. The kicker is that to view the web page with the message, the recipient needs to know a password. Rather than sending the actual message, ProtonMail sends the recipient a normal email message (sample below) saying they need to view a web page.
The conversion between secure ProtonMail and insecure normal email is handled by a web page. Everyone should have a ProtonMail account.īut, since not everyone does, this is a cheat sheet on sending an encrypted message from ProtonMail to someone using normal standard email such as Gmail, Yahoo, Outlook, Hotmail, AOL, etc. The encryption just happens, you don't need to do anything. The superpower that ProtonMail brings to the table is easy, simple, no-brainer encrypted email messages between ProtonMail users.
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