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This topic concerns access, identity or social engineering. It is often a transversal entry point: a low-level user incident may become critical if permissions, MFA, logs and recovery procedures are weak.
Cybersecurity watch
BigBear Microsoft 365 phishing service bypassed MFA at 258 organizations
Why it matters
This page references a cybersecurity signal published by BleepingComputer. It helps CISOs, DPOs, IT leaders, infrastructure teams, SMBs and enterprise accounts track vulnerabilities, alerts and trends that may affect security, compliance or system resilience.
Watch points
- Privileged accounts and delegations
- MFA, SSO, alerting and secret rotation
- Ability to detect abnormal account usage
Recommended action
Check privileged accounts, MFA, logs and revocation procedures so a weak signal does not become a transversal incident.
Relevant for
CISOs, IAM teams, support, operations and sensitive business functions.
Source summary
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. [...]
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