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Multi-Factor Authentication (MFA)

ID: 199ca643-a795-5d05-b53f-7c5a05ba00bf

STIX ID: report--199ca643-a795-5d05-b53f-7c5a05ba00bf

Feed Name: Arctic Wolf

Date Published: 2025-10-20

Date Updated: 2026-07-26

Author: Arctic Wolf

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**Executive summary:** This document provides an overview of multi-factor authentication (MFA), detailing the three factor categories, common implementations (authenticator apps, push notifications, SMS, hardware security keys), known bypass techniques (MFA fatigue, SIM swapping, session hijacking), the benefits of phishing-resistant approaches like FIDO2, and deployment and user-education best practices for reducing credential-based risk.

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