As building systems become smarter and more interconnected, cybercriminals are increasingly using them as an entry point to launch cyberattacks against businesses, hospitals, and other organizations. Potentially vulnerable targets include fire alarm systems, security systems, HVAC systems, fire sprinklers, elevators, and dozens of others.   On today’s podcast, Jesse talks to Tyler Robinson, an ethical hacker who has infiltrated all of these systems, to learn why these devices are becoming such a popular target for criminals, and what you should be doing right now to protect yourself.   Look for the NFPA Journal cover story on cybersecurity and building systems, out this February at nfpa.org/cybersecurity