Final answer:
If your card is lost or stolen, contact your bank or credit card company immediately to report the loss and deactivate your card. Monitor your account activity and consider setting up alerts to detect any fraudulent charges. Stay vigilant to protect your financial information.
Step-by-step explanation:
If your card is lost or stolen, the first thing you should do is contact your bank or credit card company to report the loss. They will be able to deactivate your card and prevent any further unauthorized transactions. It's important to check your account activity regularly to identify any fraudulent charges and to keep track of your balance. Additionally, you should also consider setting up alerts or notifications for your card to receive real-time updates on any suspicious activity.
Learn more about What to do if your card is lost or stolen