What Is Credit Card Skimming

Credit card skimming is a method used by cybercriminals to steal payment card information during transactions and is one among the many OWASP-identified automated threats. Some of the different techniques employed in such attacks include, physical skimmers and digital skimming scripts, to capture credit card data.

What are the consequences of Credit Card Skimming?

Financial Losses:

Discussing the financial impact on individuals and businesses due to fraudulent transactions and compromised card details.

Identity Theft:

Highlighting the risk of personal information being exposed, leading to identity theft and subsequent misuse.

Reputational Damage:

Exploring the potential reputational harm that organizations may face if their customers’ payment information is compromised.

Techniques to detect such attacks

Regular Inspections:

Emphasizing the importance of physical inspections for physical skimming devices at ATMs, gas pumps, and other payment terminals.

Network Monitoring:

Discussing the significance of monitoring network traffic for indications of data exfiltration or suspicious activities.

How can we prevent Credit Card Skimming?

How can we prevent credit card skimming

Security Awareness:

Encouraging users to be vigilant while using payment terminals, ensuring they are tamper-free and avoiding suspicious-looking devices.

Point-of-Sale (POS) Security:

Advocating for secure POS systems with tamper-resistant hardware and software, including encryption and tokenization.

Website Security:

Emphasizing the implementation of secure coding practices and regular vulnerability assessments to prevent digital skimming attacks.


Credit card skimming remains a significant automated threat that demands our attention. By understanding its techniques, consequences, and detection methods, individuals and organizations can take proactive measures to prevent and mitigate the risks associated with credit card skimming. Implementing robust prevention strategies, fostering security awareness, and complying with legal frameworks can help ensure a safer payment system for everyone involved.


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