@Ihor Kuliiev
Thank you for your post!
I reached out to my team to see if you can remove the "Sign in with a security key" and "Sign in with GitHub" options from the sign-in window. But since this is a built-in Microsoft sign-in page, we don't believe you can edit this specifically for GitHub. However, when it comes to Security Key authentication, you can try to disable this within your Authentication methods in Azure Active Directory to see if this removes it from the sign-in page.
Sign in with a security key:
Azure Active Directory -> Security -> Authentication Methods -> Select FIDO2 Security Key
I hope this helps!
If you have any other questions, please let me know.
Thank you for your time and patience throughout this issue.
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