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11/08/2018

Who’s In Your Online Shopping Cart?

Krebs on Security

Crooks who hack online merchants to steal payment card data are constantly coming up with crafty ways to hide their malicious code on Web sites. In Internet ages past, this often meant obfuscating it as giant blobs of gibberish text that was obvious even to the untrained eye. These days, a compromised e-commerce site is more likely to be seeded with a tiny snippet of code that invokes a hostile domain which appears harmless or that is virtually indistinguishable from the hacked site’s own domain.

Before going further, I should note that this post includes references to domains that are either compromised or actively stealing user data. Although the malcode implanted on these sites is not designed to foist malicious software on visitors, please be aware that this could change at a moment’s notice. Anyone seeking to view the raw code on sites referenced here should proceed with caution; using an online source code viewer like this one can let readers safely view the HTML code on any Web page without actually rendering it in a Web browser.

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