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Legacy authentication

Concept

Older sign-in protocols such as IMAP, SMTP and older Exchange ActiveSync versions that do not support multifactor authentication and can therefore be used to bypass MFA; blocking them is a common baseline Conditional Access policy.

✦ CONCEPTLegacy authenticationM365.FM
Title graphic: Legacy authentication (Concept)
TypConcept

Articles about Legacy authentication (2)

Słownik

Community wiki

Short info above, community knowledge below: add practical tips, examples or corrections. New contributions are reviewed first; trusted members publish directly.

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Sources

Maintained by Mirko Peters (Microsoft MVP) · Last updated: