9/12/2023 0 Comments Exchange modern authentication![]() ![]() We strongly advise organisations and users to proactively take action and follow the guidance in this article to avoid any potential disruption. When these protocols are disabled, any mobile application or desktop client using basic authentication will not be able to connect to Exchange Online to send and receive email messages. Organisations’ in-house and third-party backend applications that are currently integrated with Exchange Online using RPS, POP or IMAP are also likely to be impacted by this change. Organisations and NHSmail users with managed or personal mobile and desktop devices could have mail/calendar applications connected with Exchange Online using basic authentication to send and receive emails which are likely to be impacted by this change. ![]() This change has been broken down into two dates as shown below to reduce the impact across organisations and users: Protocol The NHSmail team has put in place a strategy to separate out the retirement of these protocols into a new schedule before June 2023 to reduce any potential impact or disruption to organisations and their users. Internet Messaging Access Protocol (IMAP).The following protocols are in scope of this change: Microsoft and NHSmail are planning to disable basic authentication for Microsoft Exchange Online. ![]() Modern authentication in Exchange Online enables authentication features like multi-factor authentication (MFA), certificate-based authentication and other methods more secured. This increases the risk of credentials being stolen which leads to compromised accounts. Devices and applications that use basic authentication normally store account credentials (NHSmail username and password) in the device and sends them to Exchange Online with every request. For many years, applications have used basic authentication to connect to servers, services, and API endpoints. ![]()
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