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Device Code Phishing: Turning a Convenience Feature Into an MFA Bypass

July 22, 2026 · Trend Micro · Severity: MEDIUM

Device code phishing exploits a convenience feature to bypass MFA; the article explains the technique and recommends layered defenses to mitigate the risk.

Key Takeaways

  • Device code phishing abuses a legitimate authentication feature.
  • Attackers bypass MFA by tricking users into entering device codes.
  • Organizations need layered security to defend against this technique.
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