Inform your card issuer immediately if your card is lost or stolen.

Never lend your credit card to others.

Avoid using obvious numbers for your PIN, such as your date of birth or ID number.

Use different PINs for each card if you carry multiple credit cards.

Receive your new card in person, or ensure an authorized family member receives it.

Sign the signature panel on the back of your card, and register PIN as soon as you receive it.

Notify your card issuer immediately of any address change to ensure safe delivery of cards and statements.

Report any discrepancies if the merchant name on your receipt does not match the actual seller.

Review your transaction statements regularly to prevent fraudulent activity.

Completely destroy any expired, replaced, or canceled credit cards.

If you have any questions, please contact the Woori Card Customer Service Center (1588-9955) or visit your nearest Woori Bank branch.