This technology enables the internal code to change each time the card is read, a vast improvement on the magnetic strip. You may need a new card.īanks and merchants stepped up security for in-person transactions with the introduction of chip-based debit and credit cards. If there’s a charge you don’t recognize, contact your bank immediately. Check your account activity regularly. Review your transactions online or when the statement comes in the mail to ensure that you approved each one.If sensitive financial information needs to be transmitted in this way, it’s generally better if you’re the one to initiate the interaction. Ignore unsolicited requests for your personal information. If someone requests your credit card information by phone or email, ask why they need it.
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