A hardware security key uses multifactor authentication, or MFA, which requires you to verify your identity with more than one source.

Public key authentication with SSH is possible with WinSCP, but it requires some work to set up. Chad Perrin details the steps.

SEE: Windows 10: A cheat sheet (TechRepublic) However, that only shows one set of applications, and others might be using Basic Authentication to sign in across all the other Office 365 services.

If a website supports security keys, you can enroll one for use with the account. The key cryptographically proves its legitimacy using the FIDO authentication protocol.

Microsoft and Apple are working together to eliminate Basic Authentication use with the Mail app for organizations using the Microsoft Exchange Online e-mail service, according to a Thursday ...