Application SecurityBleeping Computer
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Microsoft to retire the OWA Light client in Exchange Server
Microsoft has announced plans to disable Outlook Web Access (OWA) Light, the lightweight version of the Outlook Web App email client, in a future Exchange Server update. [...]
🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview
Microsoft is retiring OWA Light, a lightweight email client, in an upcoming Exchange Server update due to its limited features and compatibility with modern browsers and network conditions.
⚙️Technical Details
Affected Systems
Exchange Server (on-premises)
Attack Vectors
OWA Light experience will be disabled and removed from Exchange Server
💥Impact Assessment
Severity: medium
Who Is at Risk
Admins and users of affected systems
🛡️Recommended Actions
1Block OWA Light using the 'Set-OwaMailboxPolicy -OwaLightEnabled $false' command
2Disable the OWA Light selection menu on the logon page by running 'Set-OwaVirtualDirectory -LogonPageLightSelectionEnabled $false'
3Monitor for potential security incidents and alert teams
📦Affected Products
Exchange Server (on-premises)
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