🔗 What I understand about two-factor/multi-factor authentication (in 2023)
I am broadly a MFA (Multi-Factor Authentication) skeptic (cf) and as a result I don't have much exposure to it. For reasons beyond the scope of this entry, I've recently been needing to understand more than usual about how it works from the perspective of people using it, so here is my current understanding of your generally available non-hardware options that can be used in a desktop environment (security keys are out of scope).
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