A PIN, or Personal Identification Number, is a secret numeric code used to verify identity or authorize transactions, often found in ATMs, debit/credit cards, mobile devices and biometric systems. To be safe, keep your PIN secret, remember and change it regularly, and cover your keyboard input to prevent prying eyes.
What is the PIN?
Personal Identification Number (PIN), the full name is Personal Identification Number. It is a secret digital code used to verify identity or authorize transactions. A PIN usually consists of 4 to 6 digits and is used for the following purposes:
Purpose:
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Automated Teller Machine (ATM):Used to withdraw cash from ATM machines or perform other transactions.
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Debit and credit cards: Used to authenticate the cardholder and authorize transactions at point-of-sale (POS) terminals or when shopping online.
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Mobile Device: Use to unlock your device, access sensitive apps, or make mobile payments.
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Biometric system: As a second layer of security, used in conjunction with technologies such as fingerprint or facial recognition.
Protection:
- The PIN should be kept confidential and never shared with others.
- Remember your PIN and avoid writing it down where it can be easily discovered.
- Change your PIN regularly, especially if you suspect it has been compromised.
- When entering your PIN at an ATM or POS terminal, be sure to cover the keyboard to prevent prying eyes.
- If you forget your PIN, please contact your card issuer or financial institution immediately.
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