Chip-based credit and debit cards are designed to make it infeasible for skimming devices or malware to clone your card when you pay for something by dipping the chip instead of swiping the stripe. But a recent series of malware attacks on U.S.-based merchants suggest thieves are exploiting weaknesses in how certain financial institutions have implemented the technology to sidestep key chip card security features and effectively create usable, counterfeit cards. A chip-based credit card. Image: Wikipedia. Traditional payment cards encode cardholder account data in plain text on a magnetic stripe, which can be read and recorded by skimming devices or malicious software surreptitiously installed in payment terminals. That data can then be encoded onto anything else with a magnetic stripe and used to place fraudulent transactions. Newer, chip-based cards employ a technology known as EMV that encrypts the account data stored in the chip. The technology causes a unique encryption key — referred to as a token or "cryptogram" — to be generated each time the chip card interacts with a chip-capable payment terminal. Virtually all chip-based cards still have much of the same data that's stored in the chip encoded on a magnetic stripe on the back of the card. This is largely for reasons of backward compatibility since many merchants — particularly those in the United States — still have not fully implemented chip card readers. This dual functionality also allows cardholders to…
0 0 govanguard https://govanguard.com/wp-content/uploads/2018/04/Header_Logo.png govanguard2020-07-30 11:09:002020-07-30 11:09:00Is Your Chip Card Secure? Much Depends on Where You Bank
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