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The TJX intruder apparently had the chain’s encryption key, not that he/she necessarily needed it as data was apparently taken during the card approval process before it was encrypted. These are among the latest details in what is almost certainly the worst retail data breach ever. The massive data breach at $16 billion retailer TJX involved someone apparently armed with the chain’s encryption key, but it might not have been needed as the cyberthief was accessing data during the card approval process before it was encrypted. These are among the latest details in what is almost certainly the worst retail data breach ever. In a 10-K filing to the federal Securities & Exchange Commission (SEC), TJX said it didn’t know who the intruders were, but it did provide more details about what they say happened that lead to the card information of some 46 million consumers to get into unauthorized hands. Read more.
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