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#Microsoft-365

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MEDIUM
Cloud Security

Microsoft Exchange Online Outage: North America and Germany Impacts

Microsoft Exchange Online outage disrupts mail flow in North America and Germany, causing email delays and NDR errors. Learn how to monitor service health.

Runtime Rebel Intel
4 min read·Jun 2, 2026
EvilTokens PhaaS: Bypassing MFA via OAuth Device Code Flow
HIGH
Threat Intel

EvilTokens PhaaS: Bypassing MFA via OAuth Device Code Flow

The EvilTokens platform has compromised 340+ Microsoft 365 organizations by weaponizing OAuth Device Code Flows to bypass multi-factor authentication.

Runtime Rebel Intel
4 min read·May 19, 2026
Defeating Persistent OAuth Token Risks in Google and Microsoft Apps
HIGH
Identity & Access

Defeating Persistent OAuth Token Risks in Google and Microsoft Apps

Learn how persistent OAuth tokens create backdoors in AI tools and productivity apps. Discover strategies to detect and remediate long-lived token exposure.

Runtime Rebel Intel
4 min read·May 5, 2026
CL
LOW
Cloud Security

Microsoft Outlook iOS Authentication Issues: Remediation and Risks

Microsoft resolves global Outlook.com outage but requires iOS Mail app users to re-authenticate. Learn how to secure accounts and mitigate phishing risks.

Runtime Rebel Intel
4 min read·Apr 28, 2026
ID
HIGH
Identity & Access

OAuth 2.0 Device Code Phishing Surge: Protecting M365 and Google

Device code phishing attacks have surged 37x this year. Learn how adversaries abuse the OAuth 2.0 Device Authorization Grant to bypass MFA and hijack accounts.

Runtime Rebel Intel
4 min read·Apr 4, 2026
CL
MEDIUM
Cloud Security

Microsoft Exchange Online Outage: Troubleshooting Access Failures

Microsoft Exchange Online service disruption prevents global users from accessing mailboxes and calendars. Review technical impacts and mitigation steps.

Runtime Rebel Intel
3 min read·Mar 16, 2026