MFA Is Strong — Until It’s Misused

May 12, 2026

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Not All MFA Is Equal

SMS-based codes are vulnerable to SIM swapping and interception. Push notifications can be abused. Hardware keys offer stronger protection — but adoption is lower.

MFA Fatigue Is a Real Threat

Attackers bombard users with repeated push requests until they approve one out of frustration. Persistence becomes the attack vector.

Session Hijacking Bypasses MFA Entirely

If an attacker steals an authenticated session token, MFA has already been satisfied. Continuous session validation is critical.

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Legacy Systems Often Bypass MFA

Some internal apps or old platforms may not support multi-factor authentication. These gaps become prime entry points.

Conditional Access Strengthens MFA

Location, device compliance, and behavioral analysis can enhance authentication decisions. MFA should adapt to context.

MFA Is a Layer — Not the Solution

Combine phishing-resistant MFA with monitoring, least privilege, and rapid session revocation. Authentication is powerful — but it must be reinforced.

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