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Google, Microsoft, Yahoo Join Forces To Create New Encrypted Email Protocol

An anonymous reader writes: A group of independent security researchers and major Silicon Valley tech giants have submitted a proposal for a new email protocol called SMTP STS (Strict Transport Security). In theory, this new extension looks like the HSTS (HTTP Strict Transport Security) extension to HTTPS. Much like HSTS, SMTP STS brings message confidentiality and server authenticity to the process of starting an encrypted email communications channel. HSTS works alongside HTTPS to avoid SSL/TLS downgrades and MitM attacks. to avoid SSL/TLS downgrades and MitM attacks. The biggest names on the contributors list include Microsoft, Google, Yahoo, LinkedIn, and Comcast. Last year, Oracle also submitted a similar proposal called DEEP (Deployable Enhanced Email Privacy).

18 of 123 comments (clear)

  1. This is important... by __aaclcg7560 · · Score: 3, Interesting

    Yahoo Mail needs to have encrypted email. I haven't changed my password in 20+ years and probably won't for the next 20+ years..

  2. "Transport" != "end-to-end" by QuietLagoon · · Score: 4, Informative

    The emails are still in plain text inside the email servers en route, unless the email sender and recipient use end-to-end encryption.

    1. Re:"Transport" != "end-to-end" by Anonymous Coward · · Score: 3, Funny

      Do you even PGP bro?

    2. Re:"Transport" != "end-to-end" by fph+il+quozientatore · · Score: 4, Informative

      The emails are still in plain text inside the email servers en route, unless the email sender and recipient use end-to-end encryption.

      This. We need one-click client-side e-mail encryption, usable by everyone. Like PGP but without the key management complications and the scary mojibake added to the e-mail body.

      --
      My first program:

      Hell Segmentation fault

  3. Finally by Xabraxas · · Score: 3, Interesting

    Email is the backbone of most businesses and it is a horrible insecure mess. Maybe people will finally be able to email secure information easily. Email is easily one of the biggest compliance issues because of how insecure it is.

    --
    Time makes more converts than reason
  4. Re:Storage by Junta · · Score: 5, Insightful

    The storage of content and transmission of content are separate concerns. A standard protocol to cover transmission of messages should not be concerned with the storage of it.

    --
    XML is like violence. If it doesn't solve the problem, use more.
  5. Don't blame email! by s.petry · · Score: 4, Insightful

    I get really tired of this, because it's completely backward and wrong. Email is fine, and it does exactly what it was intended to do. Route messages from source to destination. People like you want email to be something different, but always arbitrary because there is no solution which works to encrypt out of the box which can not be tampered with. You want secure, that's fine but don't make an insecure protocol for mail routing the answer.

    Use email for email. Attach encrypted files using what ever format you want, and you have control of the encryption. Stop demanding that generic "email" does it all for you, because if you trust any of the companies listed in TFA to give you bullet proof security, you are a tool.

    --

    -The wise argue that there are few absolutes, the fool argues that there are no probabilities.

    1. Re:Don't blame email! by Dutch+Gun · · Score: 4, Interesting

      The current e-mail protocols were designed at a time when everybody on the internet was expected to play nice. It could use an upgrade for today's significantly more hostile environment. There's really no reason we shouldn't have an upgraded protocol with more security and better authentication built in.

      Nothing against the brilliant minds that created some of these early protocols, but they simply couldn't foresee some of the modern security and privacy issues the current internet has to deal with. We've also learned a thing or two about encryption and secure protocols in the last few decades, and upgraded protocols accordingly, right? I think it's a good time to try to introduce an upgraded e-mail standard. Whether it takes hold or not is a question, but with some of the big names apparently behind it, I don't see why not.

      BTW, if you're going to reject out of hand a proposal for a new standard because of the names of the companies involved, then you're not thinking things through clearly. This would be an open standard, meaning it's possible for security specialists to vet and declare the protocol safe and secure, just like we do with TLS and other modern protocols. It seems like it would be rather tricky to hide secret backdoors in an open standard.

      --
      Irony: Agile development has too much intertia to be abandoned now.
    2. Re:Don't blame email! by Dutch+Gun · · Score: 3

      By your argument, we shouldn't be using our current e-mail protocols for anything requiring security of any sort, and I absolutely agree, but that's not the reality of the world we live in. Everyone has need of a secure messaging protocol on occasion, not just commercial institutions. What happens when you reset your password to nearly any web site that requires a secure login? Yep, you get sent a reset code or link by e-mail, right in the clear, which is used to authenticate that you're the owner of that account. What open, universal, secure messaging alternative do we have for this sort of thing? There's clearly a need for it.

      If we now understand how to do a better job of securing e-mail and why doing so is a good thing, is there a reason not to? I'm afraid I just don't really understand your apparent opposition to a more secure e-mail protocol. Did you fervently oppose HTTPS as well, accusing people of "blaming HTTP" for trying to do things with it that it was never designed to do? This seems rather analogous to me.

      --
      Irony: Agile development has too much intertia to be abandoned now.
    3. Re:Don't blame email! by Dutch+Gun · · Score: 4, Insightful

      You don't like SMTP don't use it! Go make your own protocol

      /facepalm. That's what we're discussing here.

      --
      Irony: Agile development has too much intertia to be abandoned now.
  6. Re:Solved problem? by Junta · · Score: 3, Insightful

    It could be considered a protocol to negotiate use of TLS more securely.

    S/MIME and OpenPGP would be more thorough solution to the problem.

    --
    XML is like violence. If it doesn't solve the problem, use more.
  7. Re:It's about time by Junta · · Score: 3, Insightful

    GPG and/or S/MIME would address your concern, but this proposal would not.

    This is basically using TLS more properly in SMTP, which in and of itself is good, but far from adequate.

    Here is the tricky thing about TLS: it works well in theory for user-service interactions (e.g. I care I'm talking to 'onlinebanking.bigbank.com'), but not as well for messaging (I'm not conversing with a server, whose identity is hidden away in the headers, I'm conversing with whatever is in the 'From/To/CC/BCC' fields, and those are the folks I care about authenticating)

    --
    XML is like violence. If it doesn't solve the problem, use more.
  8. Re:Storage by MobileTatsu-NJG · · Score: 4, Insightful

    Yeah, I was going to say: If Google actually did do their job correctly they wouldn't be able to monetize GMail.

    --

    "I like to lick butts!" by MobileTatsu-NJG (#32700246) (Score:5, Informative)

  9. Re: Storage by Z00L00K · · Score: 4, Insightful

    Encryption of messages is not prevented by this technology, it's two completely different uses.
      - SMTP STS is used for validating the server channel to prevent spoofed servers. It doesn't care about the message content.
      - Encrypted messages already exists and encrypts the message body, but that will require that both sender and receiver have exchanged some information. However these messages don't care about the channel used.

    For best result you need both.

    But I also see problems here:
      - the SMTP STS requires certificates provided by a Certificate Authority (CA), and lately it has been revealed that not every CA is especially good at handling this.
      - It will also require a good implementation of revocation of certificates.
      - The management of the certificates may be costly, both the certificate and the management of it.

    Overall it will drive cost, and that may be what kills this idea.

    --
    If builders built buildings the way programmers wrote programs, then the first woodpecker would destroy civilization.
  10. Re: Storage by Junta · · Score: 3, Insightful

    The transport doesn't support *any* concept of storage. It doesn't have to, that's why it's called transport.

    Now you could say you should be using S/MIME or similar as it's more comprehensive end-to-end and secure transport is inadequate, but this is strictly a transport standard.

    It's also a standard that can do something to mitigate risk to those who do not avail themselves of S/MIME.

    --
    XML is like violence. If it doesn't solve the problem, use more.
  11. Re:How about we create a new standard WITHOUT TABL by The-Ixian · · Score: 3, Insightful

    I feel bad for you.

    e-mail marketing is barely 1 step above straight spam.

    If I had it my way, e-mail would be text only or implement some form of markdown

    If you want to have fancy formatting, throw up a web page and go nuts, then send a non-shortened link by e-mail if you absolutely must.

    --
    My eyes reflect the stars and a smile lights up my face.
  12. PGP, since 1991. key servers. If people cared by raymorris · · Score: 4, Informative

    > How do you send email to random people encrypted?
    > Your solutions work for internal email, but not external.

    This problem was solved in 1991, in terms of the technical implementation and protocol. The "problem" is that few people care about receiving encrypted email, so they don't publish a key to use for sending them email. Maybe if email clients made it super-easy more people would do it.

    Here's a brief description of how PGP/GPG works. Wherever I publish my email address, I also publish my public key, which I generated. To send me an email, you can either use my address and my public key, or you can let your email client retrieve the key for you, from a key server. Since the email is encrypted with my public key, it can only be decrypted by my private key.

    Personally, I publish my public key on the "Contact Us" page of my web site and on the public key servers.

    The protocol works fine. The problems are that email clients don't make it super-easy for you to generate and publish a key, or to send PGP email using the recipient's key. That's a UI problem, not a protocol problem.

  13. Re: Storage by Rashkae · · Score: 3, Insightful

    That's the thing.. it's a solved problem,, has been a solved problem for over a decade. If only the big cloud players (MS, Google, Yahoo) got off their behiends and implemented encrypted e-mail that's relatively easy for people to use, that would be a *great* step in the problems being addressed here. Instead, they have to start re-inventing the whole transport protocol, while leaving the goldmine of data storage in the same sad 1980's shape.