# GitHub supports Universal 2nd Factor authentication

DevFeed: [GitHub supports Universal 2nd Factor authentication](<https://devfeed.tech/articles/github-supports-universal-2nd-factor-authentication-69776.md>)

Original publisher: [Read original article](<https://github.blog/news-insights/product-news/github-supports-universal-2nd-factor-authentication/>)

Author: Ben Toews

Published: 2015-10-02T00:00:38Z

Content type: news

Language: en

Sources: [GitHub Blog](<https://devfeed.tech/sources/github-engineering.md>)

Topics: [MFA](<https://devfeed.tech/topics/mfa.md>), [Authentication](<https://devfeed.tech/topics/authentication.md>), [Passkeys](<https://devfeed.tech/topics/passkeys.md>), [GitHub](<https://devfeed.tech/topics/github.md>)

Tags: [authentication](<https://devfeed.tech/tags/authentication.md>), [github](<https://devfeed.tech/tags/github.md>), [hardware](<https://devfeed.tech/tags/hardware.md>), [man-in-the-middle](<https://devfeed.tech/tags/man-in-the-middle.md>), [news-insights](<https://devfeed.tech/tags/news-insights.md>), [phishing](<https://devfeed.tech/tags/phishing.md>), [product](<https://devfeed.tech/tags/product.md>), [public-key](<https://devfeed.tech/tags/public-key.md>), [security](<https://devfeed.tech/tags/security.md>), [security-keys](<https://devfeed.tech/tags/security-keys.md>)

## AI overview

GitHub announced support for FIDO Universal 2nd Factor (U2F), an open authentication standard using public key cryptography. U2F is designed to protect against phishing and man-in-the-middle attacks, and GitHub encourages developers to add U2F support to their own applications. The post also describes discounts on U2F security keys.

## Source excerpt

May 5, 2021 update: The limited edition U2F Security Keys described in this post are no longer available. To help users better secure their accounts, we are expanding GitHub's authentication...