Security Specialist, CiscoDan DeSantis is a security specialist for Cisco Systems. His own portable personal devices are vital to keeping him connected and immediately responsive to the Fortune 100 companies he represents, and he understands the demand to include these devices in business operations. But he also knows the risks to opening vulnerable networks to unknown, mobile technology. For the last five years, he has worked with the senior decision makers of critical infrastructure organizations—from financial institutions to energy companies—to face the challenge. DeSantis, a technology veteran, is a former entrepreneur in the Internet service and data center fields. He holds his CISSP.