What is a Card Testing Attack?

A card testing attack involves a hacker using stolen credit card information to test its validity. This is typically done through online purchases or ATMs to check if the card is active and has sufficient funds.

card testing attack prevention

Methods Used in Card Testing Attacks

  • Online Transactions: Hackers use the card to make small purchases to verify the card details.
  • ATM Withdrawals: They withdraw small amounts to confirm the card's balance and validity.
  • Skimming Devices: Physical devices placed on ATMs or card readers to steal card information.

How to Protect Yourself from Card Testing Attacks

  • Monitor Your Bank Statements: Regularly check your bank account for any unauthorized transactions.
  • Use Secure Transactions: Always shop on secure websites with SSL encryption.
  • Use EMV Cards: EMV cards are more secure and can prevent fraud due to their chip technology.