If you can't be sure, rotate as if it happened — the cost is low and the risk is high.
What to do
- Add a port-out PIN on the carrier account today
- Reset email and bank passwords from a clean device
- Move important accounts off SMS 2FA to an authenticator app
- Dispute any banking transactions you don't recognise
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JD
Written by
Jordan DicksonFounder, CyberSecurityGuides
Founder of CyberSecurityGuides, writing practical, jargon-free guides that help everyday people recover from and protect against online attacks.
Reviewed by CSG Security Engineers