A recent report published by Dell revealed a 100 percent increase in the number of attacks on industrial control (SCADA) systems. The majority of incidents occurred in SCADA systems is not reported. The countries with the greatest number of SCADA attacks are Finland, the United Kingdom, and the United States. Security experts speculate that the attacks will continue to rise in the next years. Make sure all software and systems are up to date and make sure your network only allows connections with approved IPs. Restrict USB ports if they arent necessary and ensuring Bluetooth is disabled.”]
Source: https://securityaffairs.co/wordpress/35967/hacking/dell-attacks-on-scada-doubled.html