![]() ![]() 0.05% of tenants re-enabled basic auth with self help diagnostics.Message Center versus Service Health Dashboard (incl.Tactics to eliminate basic auth (37:20 mins).Basic auth deprecation for 21Vianet will begin on March 31st, 2023.Backfill disabling basic auth in tenants with security defaults enabled, test tenants, etc.Disabling basic auth for all tenants October 1st, 2022 ( unless opt-out or extension requested).Disabled basic auth temporarily for some tenants for 48 hours.Disabled basic auth for protocols not using it.Disabled basic auth for tenants not using it.Deprecating basic auth timeline (30:10 mins).Auth policies block basic auth prior to the user authentication attempt.Set-CASMailbox blocks a user after they have authenticated successfully.Suspicious usage impacting metrics (21:45 mins).1/3rd basic auth comes from tenants with less than 100 users (90% of tenants).1/3rd basic auth comes from tenants with more than 10k users (1% of tenants).ActiveSync, Outlook and EWS primary drivers of basic auth.1.5 million POP users made 80 million basic auth request per day.10 million MAPI users made 60 million basic auth request per day. ![]()
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December 2022
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