InfoWorld - Security Adviser: Your guide to the seven types of malicious hackers

Knowing the difference between a spammer, a corporate spy, and a cyber warrior can better help you defend your systems

By Roger A. Grimes
February 08, 2011

When I learned over the weekend that hackers had planted malware on a Nasdaq Web server, I wasn't exactly surprised. It's the rare company that isn't owned by hackers. Even the most well-defended organization will likely find itself under attack by outsiders.

Whether you're attacked today or tomorrow, it's important to understand the motivation and objective of your intruders -- doing so can help you devise an appropriate defense. Malicious hackers can, in fact, be broken out under some broad classifications.

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