Bleeping Computer
4.0 — MEDIUM
Microsoft working to fix Exchange Online mailbox quarantine issue
Microsoft is working to resolve an ongoing Exchange Online issue that has been mistakenly quarantining customers' mailboxes since Sunday. [...]
🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview
Microsoft is experiencing an ongoing issue with Exchange Online that has been mistakenly quarantining customers' mailboxes since July 19, causing issues receiving and sending emails and accessing calendars.
⚙️Technical Details
💥Impact Assessment
Severity: medium
Who Is at Risk
Exchange Online users
🛡️Recommended Actions
1Monitor email accounts for quarantine issues and Non-delivery Reports (NDRs)
2Check calendar access for affected users
3Verify email sending functionality to prevent further disruptions
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