Phishing Frenzy: How PoisonSeed Outsmarts FIDO2 with Cross-Device Trickery!
PoisonSeed’s latest phishing campaign is a masterclass in digital deception, bypassing FIDO2 security key protections by manipulating the cross-device sign-in feature. Think of it as the digital equivalent of a magician’s sleight of hand, where users unknowingly approve login requests from phony portals, making attackers’ dreams come true—without pulling a rabbit out of a hat!

Hot Take:
Who knew that cross-device convenience could be the new Trojan horse of the cyber world? PoisonSeed just turned WebAuthn’s cross-device sign-in feature into their personal magic wand, making FIDO2 keys look like they belong in the cybersecurity Jurassic era!
Key Points:
- PoisonSeed campaign utilizes WebAuthn’s cross-device sign-in feature for phishing attacks.
- This tactic doesn’t exploit FIDO2 security flaws but abuses legitimate authentication features.
- Phishing sites mimic corporate portals, such as Okta and Microsoft 365, to steal credentials.
- Attackers bypass FIDO2 protections using QR codes for cross-device authentication.
- Expel suggests geographic restrictions and Bluetooth authentication to mitigate risks.
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