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Secure your work accounts by enabling multifactor authentication (MFA) through your employer’s approved setup process, choosing the strongest method your organization supports, and preparing a safe backup before you lose access to an authenticator. Prioritize work email, remote access, file storage, administrator accounts, and accounts that contain sensitive information.

Start with your organization’s setup instructions

Ask your IT team or identity provider how to enroll. Work accounts may use organization-specific sign-in settings, and consumer instructions for a similarly named service may not apply. MFA may also appear in the settings as “two-factor authentication” or “two-step authentication.”

Use your organization’s process to enable MFA on the work systems you use, including email, remote access, and file storage. CISA advises businesses to prioritize administrative access and accounts used to handle sensitive information. CISA’s business MFA guidance outlines this approach.

Choose the strongest method your workplace supports

Methods differ in how well they resist phishing and other attacks. CISA recommends phishing-resistant MFA and lists these business options in descending order of preference:

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Method What to know
Physical security key A security key using FIDO/WebAuthn is CISA’s recommended target where supported. Check with IT that your account and devices support the key before buying one; compatibility is not universal.
Authenticator-app number matching Enter or select the number shown during sign-in in the authenticator app. CISA describes number matching as an improvement over ordinary push approvals when phishing-resistant MFA is not yet available.
Authenticator-app one-time code Enter a time-limited code from an approved authenticator app. This is listed below number matching in CISA’s recommendations.
Biometrics Biometric checks are usually used alongside another method, rather than as a standalone second factor.
Text or email code CISA lists these among the weakest options. Use them if that is what your organization supports, and ask IT whether a stronger method is available.

Employers determine which options can be enrolled, so confirm support and policy before purchasing a hardware key or choosing an app. See CISA’s business guidance and its phishing-resistant MFA fact sheet.

Know what MFA protects against

MFA requires two or more different authenticators—something you know, have, or are—to verify a login, as CISA defines it in its October 2022 fact sheet. If an attacker has only stolen your password, a separate authenticator can help prevent that password alone from granting access.

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MFA is not equally resistant to every attack. Depending on the method, risks can include phishing, repeated push requests intended to pressure someone into approving a sign-in, exploitation of weaknesses in mobile networks (SS7), or SIM swapping. FIDO/WebAuthn is designed to prevent authentication to a fake website; not every MFA option provides that protection. CISA discusses these differences in its phishing-resistant MFA fact sheet.

Set up recovery before you need it

If your employer permits it, register a second authenticator so that losing one does not automatically leave you unable to sign in. Follow IT’s instructions for adding, storing, and testing a backup method. Do not create an unapproved workaround or weaken account security to make recovery easier.

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If an authenticator is lost, stolen, or damaged, report it through your organization’s process so IT can deactivate it and help you replace it. Treat account recovery as a security-sensitive step: an attacker may try to exploit recovery procedures to get around strong MFA. CISA addresses recovery and hybrid identity in its cloud business applications guidance.

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Use MFA across work, not just personal accounts

CISA notes that regular MFA users are more likely to protect banking and financial accounts than work or social media accounts. Its cited excerpt does not provide a percentage or survey year, so the finding should not be read as a quantified estimate. For employees, the practical point is to check work services explicitly instead of assuming MFA is already enabled everywhere.

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For a plain-language overview of enabling MFA, see CISA’s “Turn On MFA” guidance. For any employer-managed system, use the organization’s designated enrollment and recovery procedures.

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