RingCentral Spoof Hijacks M365 Accounts
Phishing service Greatness uses spoofed RingCentral emails to bypass MFA and compromise Microsoft 365 accounts.
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Phishing service Greatness uses spoofed RingCentral emails to bypass MFA and compromise Microsoft 365 accounts.
A simple configuration blunder by an attacker unraveled three sophisticated, bypass-capable phishing campaigns targeting Microsoft 365.