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drogu-kangaroo
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Joined May 22, 2023
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Re: New Outlook opens security hole
While we wait for Microsoft to provide a way to block 3rd party email from being added by end users, we were able to completely disable New Outlook following the steps in this article: https://learn.microsoft.com/en-us/exchange/clients-and-mobile-in-exchange-online/outlook-on-the-web/enable-disable-employee-access-new-outlook We also deployed a registry change to end users with PowerShell to remove the button from Outlook. Run in user context because the key is HKCU Set-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\office\16.0\Outlook\Options\General' -Name "HideNewOutlookToggle" -Value 112KViews0likes2CommentsRe: New Outlook opens security hole
Hey. No reason to apologize. You're helping me out for free! I am really hoping Microsoft has some clarity to offer. Hard to believe they unilaterally decided to allow personal email on all corporate networks without some kind of security controls for administrators.12KViews0likes0CommentsRe: New Outlook opens security hole
66 views but no replies. Am I in the correct forum for asking this question? Any suggestions from anyone on where I can post this question and get Microsoft's attention? This is a pretty serious security concern. Just because you can allow users to add personal email accounts to Outlook doesn't mean all business are OK with that. We need to be able to choose.12KViews0likes0CommentsNew Outlook opens security hole
Hello, We just tested the New Outlook and discovered that it allows users to add personal Gmail accounts to their Outlook profile. We have intentionally blocked 3rd party email services to prevent data loss. We don't ever want an end user to be able to send out confidential corporate information with their personal email account. Is there no way to disable this 'feature' for our tenant? You are now effectively bypassing all the data loss prevention security we have put in place around email, including explicit blocks for Gmail and Yahoo on our firewall.16KViews5likes24Comments
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