 cannot be overstated. They've become weapons of mass destruction. Dan O'Dowd is president of the Dawn Project, a group trying to raise awareness about software vulnerabilities in critical infrastructure, like hospitals. Somebody can come in and shut it down. Even in cars. Every car now is internet connected. He says the first step to protection is one people aren't considering. We have to stop using basic commercial software. He says there is a fix. We have to use military-grade software for the security of these systems.