Roger A. GrimesColumnist, InfoWorld

Roger A. Grimes is a contributing editor. Roger holds more than 40 computer certifications and has authored eight books on computer security. He has been fighting malware and malicious hackers since 1987, beginning with disassembling early DOS viruses. He currently runs eight honeypots to track hacker and malware behavior and consults to companies from the Fortune 100 to small businesses. A frequent industry speaker and educator, Roger currently works for Microsoft as a principal security architect.

7 top tactics of hack attacks

Most malware is mundane, but these innovative techniques are exploiting systems and networks of even the savviest users

Inside a state-sponsored U.S. cyber warrior's secret universe

A cyber warrior under contract with the U.S. government provides some extraordinary glimpses into his background, training, the hardware he uses, and the boundaries of his mission.