13APPLICATION SECURITY

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In Chapters 10 and 11, I discussed the importance of keeping your networks and operating systems secure. Part of keeping attackers from interacting with your networks and subverting your operating system security is ensuring the security of your applications.

In December 2013, the Target Corporation, a retailer operating more than 1,800 stores throughout the United States, reported a breach of customer data that included 40 million customer names, card numbers, card expiration dates, and card security codes.1 A month later, Target announced that an additional 70 million customers had had their personal data breached.2

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