SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/sec-never-share-2fa-code

Someone contacts you asking for the two-factor code just sent to you. Per the FBI, who can you give it to?

No one. Never share a two-factor code.

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  1. A caller from your bank
  2. Your IT help desk, if they ask
  3. No one, never share it ✔

Why: Those codes prove you are you. A scammer who has your password still needs the code, so they will call, text or email pretending to need it.

Huh, didn't know that: The FBI says to set up multi-factor authentication on any account that allows it, and never disable it.

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References

Answer: No one, never share it. Those codes prove you are you. A scammer who has your password still needs the code, so they will call, text or email pretending to need it.

  1. FBI IC3: AI Voice Messages Impersonating Senior US Officials www.ic3.gov/PSA/2025/PSA250515
    Never provide a two-factor code to anyone over email, SMS/MMS text message or encrypted messaging application.
    Checked 2026-10-10.

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Security & PrivacyIs a password enough?Security & PrivacyA caller claiming to be tech support wants you to install software. What are they after?Security & PrivacySomeone calls saying they are Microsoft Support and your PC has a virus. What does Microsoft advise?

That's stuff everyone should know.