E-commerce fraud can take action a few different ways, and even though the news mostly covers business concerns related to magnetic stripe security vulnerabilities related to card present transactions, online retail has its own particular concerns.
Much like the case with the update to EMV chip cards and the resulting shift in liability away from banks that are taking more and more hits from cyber attacks, retailers are often on their own when trying to figure out how to respond to and prevent e-commerce fraud in online, card-not-present transactions.