Automatically & invIsibly encrypt email As soat As It Is received at any trusted deviceHelp Net SecurIty #As_SoonApril 1, 2019
What users see E3 as their insecure email + their devices = secure encrypted email.
Current defenses, such as Pretty Good Privacy (PGP) and Secure/Multipurpose Internet Mail Extensions (S/MIME), rely on public key cryptography that uses pairs of public and private keys generated by cryptographic algorithms.
The problem is that they have stayed focused on end-to-end encryption solutions, where only the original sender and recipient can read the messages.
“Our insight is that email needs to be protected when it’s stored in our inboxes, not when it’s being sent over the Internet, because hackers are mainly just trying to log into your email account.
Over the past three years, the Columbia Engineering team refined E3, trying many different approaches before finding a method that checked all the boxes they needed.
The team’s new approach simplifies email encryption and improves its usability by implementing receiver-controlled encryption.
Hackers who successfully attack an email account or server can only gain access to encrypted emails.
In E3, public keys are never shared with other people.
In contrast, an E3 user needs only self-signed keys, and any public key exchanges among the user’s devices are automated.
The researchers note that they do not intend E3 to be an end-to-end, maximum security solution, but rather a major improvement over the norm that is easy to deploy and use.
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