Your company's website might look great, with plenty of multimedia sizzle. But if the site isn't consistently attracting targeted visitors and converting them into customers, it's not doing its job—which can have a negative impact on revenue.

Any company that does business online knows the importance of mastering search engine optimization (SEO) techniques to get their content atop the Google rankings. It turns out malware pushers care about SEO, too, and at DefCon later this week researchers will show just how big a deal it has become.