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Account notice office 365 password#
You may feel an unknown system or complex password on a shared mailbox is good enough but to remote bad actors running automated cracking programs against accounts on your tenant, it is only a matter of time until they generate a matching password for that shared mailbox. Why? Well, if IMAP is enabled, that means basic authentication is enabled and that is bad as I have said previously:ĭisable basic auth to improve Office 365 security Some actually use this IMAP ability to be able to open shared mailboxes on mobile devices, however doing this comes with a huge risk in my books. No so bad you think right? Well, the problem is that, by default, IMAP and POP3 are enabled on all mailboxes, including shared ones. So, by default, when you create a shared mailbox you are actually creating an account with a system password in your environment. You aren’t supposed to use the account to log in to the shared mailbox” Notice how you weren’t asked to provide a password when you created the shared mailbox? The account has a password, but it’s system-generated (unknown). “Every shared mailbox has a corresponding user account. Don’t believe me? Well check out the following documentation: Thus, they can be accessed directly using these details. The first point to note is that shared mailboxes in Microsoft 365 actually have a login and password. However, there are some security issues with these that I don’t think many people are aware of. This works really well for generic accounts like etc.
Account notice office 365 update#
Once an incident or advisory has occurred Microsoft will update the service on an hourly cadence or, if a different cadence is needed, it will be stated in the Service Health Dashboard communication posting.Shared mailboxes are a really handy component of Microsoft 365 in that they allow multiple users to access a single mailbox.
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Microsoft must first investigate the issue prior to reporting in the service health that an issue exists. Notifications should begin to arrive soon after Microsoft announces that an incident or advisory has been exposed, but this could be some time after the end-users report observing the issue. Once enabled, we expect anywhere from 24 to 48 hours for the feature to be replicated throughout all the Microsoft services.
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Last week Microsoft observed another Microsoft 365 service outage leaving many of our clients unable to access multiple, if not all the Microsoft 365 services.