Basic Authentication Deprecation in Exchange Online Ended
Basic Authentication Deprecation in Exchange Online ended this past Saturday, October 1, 2022. Basic authentication was permanently disabled in all Microsoft 365 tenants for the following protocols: MAPI, RPC, Offline Address Book (OAB), Exchange Web Services (EWS), POP, IMAP, Exchange ActiveSync (EAS), and Remote PowerShell.
Microsoft is working to raise awareness among Exchange Online customers that one of the most important security steps they can take is to move away from outdates, less secure protocols like Basic Authentication. Cybercriminals are going to continue to more sophisticated, so the technology we use to protect ourselves needs to get more sophisticated also.
Moving your Exchange Online organization from Basic Authentication to the more secure OAuth 2.0 token-based authentication enables stronger protection and the ability to use features like multi-factor authentication (MFA).
Your tenant admin should check the Microsoft 365 Message Center often, as usage data is sent regularly to all tenants still using Basic Authentication. If you need help turning off Basic Authentication and implementing Modern Authentication, 2W Tech can help.
2W Tech is a technology solutions provider specializing in manufacturing solutions. We are a Microsoft Gold Partner with a team of IT Consultants that specialize in Microsoft 365 solutions. Give us a call today to learn more.
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