Step 1 of 9 · Two-Factor on Everything That Matters
SMS routes through carriers who hand out SIM swaps
SMS routes through carriers who hand out SIM swaps — step 1 of 9 in Two-Factor on Everything That Matters. Your phone number is not yours. A carrier employee or a convincing caller can port it to a new SIM. The code arrives on a stranger's phone.
Free tech & internet tip: SMS routes through carriers who hand out SIM swaps (step 1 of 9 from "Two-Factor on Everything That Matters").
Your phone number is not yours. A carrier employee or a convincing caller can port it to a new SIM. The code arrives on a stranger's phone. This is not theory — it is how high-profile accounts get drained.
The fix: remove SMS wherever the service offers TOTP or passkey. Keep SMS only on legacy accounts that offer nothing else, and flag those for migration.
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