What Happens to Your What is 2FA? Account When You Die
Quick Facts
What it does
Extra login security
Why it matters
Blocks 99% of hacks
For estate planning
Critical to document
Step-by-Step Guide
What 2FA does
2FA requires two things to log in: your password AND a second factor — usually a code from your phone. Even if someone has your password, they cannot log in without the second factor.
Types of 2FA
SMS codes (sent to phone), Authenticator apps (Google Authenticator, Authy), Hardware keys (YubiKey), Passkeys (biometric). SMS is weakest, authenticator apps are recommended.
Why it matters for estate planning
When you die, your family may not have your phone. Without your authenticator or backup codes, they cannot log into accounts with 2FA — even with the correct password. Document which accounts use 2FA and where your backup codes are.
What to document in your vault
For each account: (1) whether 2FA is enabled, (2) what type of 2FA, (3) where backup codes are stored, (4) which phone has the authenticator app. Never store the actual backup codes — store the location.
Document Now Checklist
- List every account that has 2FA enabled
- Note the type of 2FA for each (SMS, authenticator app, hardware key)
- Note where backup codes are physically stored
- Note which phone has the authenticator app installed
Last verified: June 2026. Platform policies may change. Verify current procedures directly with What is 2FA?. This guide is for informational purposes only and does not constitute legal advice.
Related Guides
Google Authenticator
Open Google Authenticator → tap your profile icon → turn on sync. This backs up your 2FA codes to your Google account so they survive phone loss.
Authy
Settings → Devices → Allow multi-device. This lets you add Authy to multiple phones or tablets. If multi-device is off and the phone is lost, recovery is extremely difficult.
Microsoft Authenticator
Settings → Backup → turn on Cloud backup. Requires a Microsoft account. Backed-up codes can be restored on a new phone by signing into the same Microsoft account.
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