Results for "" Security fundamentals to help the transition to Industry 4.0 As critical infrastructure goes through digital transformation, EasySec CTO points out the difference in enterprise security needs for the IT and OT networks Guest Contributor / In 2020, 17.7 billion industrial devices were connected to the Net. These devices are critical for factories and critical infrastructures in their digital transformation to industry 4.0, in order to increase their productivity, their product quality, and customer services. In smart factories, production line robots are connected to the network through their PLC and are often accessible by external entities through the Internet for predictive maintenance and remote support. In critical infrastructures, smart-grids are based on several million smart meters and power plants use hundreds of connected devices.