Discover the 9 most dangerous identity-based threats in 2026, from AI phishing attacks and deepfake authentication bypass to MFA fatigue and harvest-now-decrypt-later quantum threats. Learn why legacy authentication fails against each one and how phishing-resistant, passwordless authentication changes the equation. The post 9 Identity-Based Threats Redefining Cybersecurity in 2026 (Beyond Credential Stuffing) appeared first on Security Boulevard.