How Attackers Bypass Synced Passkeys

This article explains the security risks associated with deploying synced passkeys in enterprise environments and advocates for using device-bound hardware security keys instead. It emphasizes that synced passkeys inherit vulnerabilities from cloud accounts and are susceptible to various attacks, which can compromise enterprise security. #FIDOAlliance #Yubico #WebAuthn #AdversaryInTheMiddle

Keypoints

  • Synced passkeys depend on cloud accounts, increasing attack surface and risk of account takeover.
  • Device-bound passkeys stored in hardware security keys offer higher security and administrative control.
  • WebAuthn can be manipulated via malicious browser extensions or compromised environments to hijack credentials.
  • Downgrade attacks can force users to fallback to weaker authentication methods, compromising security.
  • Enterprise security policies should enforce hardware-based authenticators and continuous device posture monitoring.

Read More: https://thehackernews.com/2025/10/how-attackers-bypass-synced-passkeys.html