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4.0MEDIUM

Microsoft asks iPhone users to reauthenticate after Outlook outage

📅 28 April 2026 at 09:00 UTC📰 Bleeping ComputerView original source ↗
Microsoft asks iPhone users to reauthenticate after Outlook outage

After addressing a widespread outage that affected Outlook.com users worldwide on Monday, Microsoft has asked iPhone users to re-enter their credentials to regain access to their Outlook and Hotmail accounts via the default Mail app. [...]

🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview

Microsoft experienced a widespread outage affecting Outlook.com users worldwide, causing intermittent sign-in issues and prompting iPhone users to reauthenticate their credentials. The incident was attributed to a 'recently introduced change' but the root cause remains unknown.

⚙️Technical Details
💥Impact Assessment
Severity: Medium
🛡️Recommended Actions
1Re-enter credentials manually using the provided step-by-step procedure
2Monitor email account activity for suspicious activity
3Verify password updates are applied correctly to prevent future sign-in issues
📦Affected Products
Product Name: Outlook.comOperating System: iOS

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