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PhishingEmerging2 sourcesSep 7, 2026 · 15:39via BleepingComputer

BigBear Microsoft 365 phishing service bypassed MFA at 258 organizations

Brief

Bill Toulas reports: A phishing-as-a-service framework called BigBear 2. 0 has been used to bypass multi-factor authentication at 258 organizations and steal more than 5,000 Microsoft 365 credentials. Researchers at cybersecurity company CloudSEK gained administrator access to the control panel and found that the service managed 42 VPS nodes, all configured to target Microsoft 365 as…

Source

databreaches.net/2026/09/07/bigbear-microsoft-365-…

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BleepingComputerPrimary··trust 1.38

BigBear Microsoft 365 phishing service bypassed MFA at 258 organizations

A phishing-as-a-service framework called BigBear 2. 0 has been used to bypass multi-factor authentication at 258 organizations and steal more than 5,000 Microsoft 365 credentials. [... ]

Read more →
Malware.news··trust 0.88

BigBear Microsoft 365 phishing service bypassed MFA at 258 organizations

Bill Toulas reports: A phishing-as-a-service framework called BigBear 2. 0 has been used to bypass multi-factor authentication at 258 organizations and steal more than 5,000 Microsoft 365 credentials. Researchers at cybersecurity company CloudSEK gained administrator access to the control panel and found that the service managed 42 VPS nodes, all configured to target Microsoft 365 as…

Source

databreaches.net/2026/09/07/bigbear-microsoft-365-…

Read more →