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  2. Heartbleed - Wikipedia

    en.wikipedia.org/wiki/Heartbleed

    Heartbleed is a security bug in some outdated versions of the OpenSSL cryptography library, which is a widely used implementation of the Transport Layer Security (TLS) protocol. It was introduced into the software in 2012 and publicly disclosed in April 2014. Heartbleed could be exploited regardless of whether the vulnerable OpenSSL instance is ...

  3. HTTPS - Wikipedia

    https://en.wikipedia.org/wiki/HTTPS

    A number of commercial certificate authorities exist, offering paid-for SSL/TLS certificates of a number of types, including Extended Validation Certificates. Let's Encrypt , launched in April 2016, [27] provides free and automated service that delivers basic SSL/TLS certificates to websites. [28]

  4. S/MIME - Wikipedia

    en.wikipedia.org/wiki/S/MIME

    S/MIME. S/MIME ( Secure/Multipurpose Internet Mail Extensions) is a standard for public-key encryption and signing of MIME data. S/MIME is on an IETF standards track and defined in a number of documents, most importantly RFC 8551. It was originally developed by RSA Data Security, and the original specification used the IETF MIME specification ...

  5. Use POP or IMAP to sync AOL Mail on a third-party ... - AOL Help

    help.aol.com/articles/how-do-i-use-other-email...

    There are two different protocols you can choose when setting up a third-party email app: POP or IMAP. POP downloads a copy of your emails from your account (mail.aol.com) to the app. This means that if you delete an email from your account after it's been downloaded, the downloaded copy remains in the app. Additionally, POP only downloads ...

  6. Use AOL Certified Mail to confirm legitimate AOL emails

    help.aol.com/articles/what-is-aol-certified-mail

    If you're ever concerned about the legitimacy of these emails, just check to see if there's a green "AOL Certified Mail" icon beside the sender name. When you open the email, you'll also see the Certified Mail banner above the message details. When you get a message that seems to be from AOL, but it doesn't have those 2 indicators, and it isn't ...

  7. AOL Mail secure connection settings requirement - AOL Help

    help.aol.com/articles/secure-mail-connection-faq

    To maintain the security of your account while accessing AOL Mail through third-party apps, it's necessary to keep your connection settings updated. An email was sent to our customers in 2017 warning that AOL Mail would no longer be accessible through third-party apps if connection settings weren't updated by November 7, 2017.

  8. Transport Layer Security - Wikipedia

    en.wikipedia.org/wiki/Transport_Layer_Security

    Transport Layer Security ( TLS) is a cryptographic protocol designed to provide communications security over a computer network. The protocol is widely used in applications such as email, instant messaging, and voice over IP, but its use in securing HTTPS remains the most publicly visible. The TLS protocol aims primarily to provide security ...

  9. Opportunistic TLS - Wikipedia

    en.wikipedia.org/wiki/Opportunistic_TLS

    Opportunistic TLS. Opportunistic TLS (Transport Layer Security) refers to extensions in plain text communication protocols, which offer a way to upgrade a plain text connection to an encrypted ( TLS or SSL) connection instead of using a separate port for encrypted communication. Several protocols use a command named " STARTTLS " for this purpose.

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