Unsecured Internet of Things (IoT) devices are “appearing like lice”, says Earl Perkins, a research vice president in the Security and Privacy team at Gartner. The culprits, he said, are the operational technology (OT) people. “The OT people have found a [cheaper] way to replace legacy systems for collecting data about the performance of their industrial machines and environments,” Perkins told the Gartner Security and Risk Management Summit in Sydney on Monday.