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How Was Your Credit Card Stolen?

Almost once a week, I receive an email from a reader who has suffered credit card fraud and is seeking help figuring out which hacked merchant was responsible. I generally reply that this is a fruitless pursuit, and instead encourage readers to keep a close eye on their card statements and report any fraud. But it occurred to me recently that I've never published a primer on the types of card fraud and the likelihood with each of the cardholder ever learning how their account was compromised. This post is an effort to remedy that.

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