Threat actors downgrade FIDO2 MFA auth in PoisonSeed phishing attack
A PoisonSeed phishing campaign is bypassing FIDO2 security key protections by abusing the cross-device sign-in feature in WebAuthn to trick users into approving login authentication requests from fake company portals. The PoisonSeed threat actors are known to employ large-volume phishing attacks for financial fraud. In the past, distributing emails containing crypto seed phrases used to drain cryptocurrency wallets. In the recent phishing attack observed by Expel, the PoisonSeed threat actors