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    Russian Cyberattack Using OAuth 2.0 to Breach Microsoft 365 Accounts

    Russian cyber threat actors have recently exploited OAuth 2.0 authentication flows to compromise Microsoft 365 accounts belonging to employees involved with Ukraine-related and human rights organizations. This sophisticated attack, tracked since early 2025, is predominantly attributed to...
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    • cloud security cyber defense cyber espionage cybersecurity dark web threats device code phishing entra id global cyber threats identity management incident response microsoft 365 security oauth vulnerabilities phishing security best practices social engineering attacks state-sponsored attacks threat intelligence two-factor authentication bypass
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    • Forum: Windows News