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Email attacks overtook exploits as the top ransomware root cause last year. Multifactor authentication (MFA) was deployed in 97% of credential-based attacks but failed to prevent compromise.
PoisonSeed Threat Actor Uses Cross-Device Login Feature and QR Code to Trick UsersExpel researchers have found a novel adversary-in-the-middle phishing technique used by PoisonSeed, a cybercrime group previously tied to large-scale cryptocurrency thefts, to sidestep one of the most secure forms of multifactor authentication - FIDO2 physical keys.
The massive phishing campaign does not exploit a vulnerability in MFA. Instead, it spoofs an Office 365 authentication page to steal credentials.
FBI and CISA warn of attack on multifactor authentication account to exploit "PrintNightmare" exploit.