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Phishing service spoofs RingCentral to steal Microsoft 365 accounts
August 4, 2026 · BleepingComputer · Severity: MEDIUM
The Greatness phishing-as-a-service platform has expanded from credential phishing to include adversary-in-the-middle attacks and device-code phishing targeting Microsoft 365 accounts. This evolution increases the threat of credential theft and account compromise.
Key Takeaways
- Greatness PhaaS now uses adversary-in-the-middle and device-code phishing.
- The platform targets Microsoft 365 accounts via spoofed RingCentral pages.
- Expanded tactics increase risk of credential theft and account compromise.