
If you suspect your card has been compromised, act immediately by contacting your card issuer to report the fraud and request that your card be blocked or replaced[4]. If your issuer provides a mobile app or online portal, use it to lock your card to prevent further unauthorized charges while you verify the activity[1]. Be prepared to provide specific details, including the transaction date, amount, and merchant name[1].
Within the next 24 hours, update your passwords across all sensitive accounts and enable two-factor authentication to prevent further unauthorized access[6]. Additionally, monitor your account statements closely and consider placing a fraud alert with one of the three major credit bureaus[1].
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