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 * [SecurityTrails](https://securitytrails.com/blog/google-hacking-techniques) - (2019) Exploring Google Hacking Techniques
 * [Yubico Support](https://support.yubico.com/support/solutions/articles/15000015045-macos-logon-tool-configuration-guide) - macOS Logon Tool Configuration Guide : Enable Yubico 2FA at macOs login screen and for screensaver
 * [OSXDaily](http://osxdaily.com/2017/11/22/use-touch-id-sudo-mac/) - (2017) How to Use Touch ID to Authenticate sudo on Mac OS
+* [USB-Dongle Authentication](https://www.dongleauth.info/) - List of websites and whether or not they support One Time Passwords (OTP) or Web Authentication (WebAuthn) respectively FIDO2, U2F. **Bonus** : [Github repository](https://github.com/Nitrokey/dongleauth)
+* [Two Factor Auth (2FA) Dongles](https://www.dongleauth.info/dongles/) - List of 2FA dongle providers and the platforms they support. **Bonus** : [Github repository](https://github.com/Nitrokey/dongleauth)
 
 ## GPG
 * [Charles Zachary Lockhart](http://irtfweb.ifa.hawaii.edu/~lockhart/gpg/) - GPG Cheat Sheet