Merchant Security
How Merchants Can Detect Suspicious Card Transactions
Merchants need to detect suspicious card transactions without turning every unusual order into a declined sale. That balance matters because frau...
Fraud Prevention Guides
Practical, defensive guidance for recognizing scams, protecting accounts, and responding safely.
Payment Security
What Is a BIN? Bank Identification Numbers Explained
A Bank Identification Number, commonly shortened to BIN, is an identifying number at the beginning of a payment-card account number. In modern pa...
Payment Security
BIN vs IIN: What's the Difference?
BIN and IIN are two terms that frequently appear in payment-card documentation, fraud-prevention systems, merchant dashboards, and payment APIs....
Payment Security
What Is CVV and Why Does It Matter for Payment Security?
CVV is one of the most familiar security features on a credit or debit card, especially during online shopping. A merchant may ask for the card n...
Merchant Security
How E-Commerce Businesses Can Reduce Card-Not-Present Fraud
Card-not-present fraud is one of the central security challenges of e-commerce because the merchant cannot physically inspect the card or the per...
Merchant Security
Chargeback Fraud Explained: Friendly Fraud vs Stolen-Card Fraud
Chargebacks are an important consumer-protection mechanism, but not every chargeback has the same cause. Some disputes arise because a card was g...
E-Commerce Security
Magecart Attacks Explained: How Online Checkout Pages Get Compromised
Magecart is a widely used cybersecurity term for web-skimming campaigns in which attackers compromise e-commerce websites or related components s...
Cybersecurity
What Happens After Credit Card Information Is Stolen?
When credit card information is stolen, the compromise itself is only the beginning of the incident. What happens next depends on what informatio...
Cybersecurity
Public Wi-Fi and Credit Card Security: What Are the Real Risks?
Public Wi-Fi has a reputation for being inherently dangerous for banking and credit-card payments. That reputation comes partly from an earlier e...
Payment Security
What Is AVS? Address Verification Systems Explained
AVS, or Address Verification Service, is a payment-security tool used to compare billing-address information submitted during a card transaction...
Payment Security
3D Secure 1 vs 3D Secure 2: What Changed?
3-D Secure has changed dramatically since the first generation of the protocol appeared in online checkout. What many shoppers remember as a sepa...
Payment Security
What Does VBV Mean? Visa Secure and 3D Secure Explained
VBV stands for Verified by Visa, the former name of Visa's online cardholder-authentication program based on the 3-D Secure standard. Visa later...