Two related items of news.
The last sentence here is chilling...
`Cyber-attacks 'damage' national infrastructure'
LINK
`..."These are multiple, successful attacks on the physical world using cyber-technologies," Eitan Goldstein, from security firm Tenable, which commissioned the report, told the BBC. "That is a really big change and that's why the risk isn't just theoretical any more. "We believe the reason behind it is increased connectivity to industrial control systems. "Today we want to be able to do analytics and predictive maintenance in our power plants, but the proliferation of smart devices and sensors and IoT is really increasing our cyber-exposure to attack. "In many cases, organisations don't even know what is connected to the internet and what can be accessed by hackers....".
`Computer virus alters cancer scan images'
LINK
`A computer virus that can add fake tumours to medical scan images has been created by cyber-security researchers. In laboratory tests, the malware altered 70 images and managed to fool three radiologists into believing patients had cancer. The altered images also managed to trick automated screening systems. The team from Israel developed the malicious software to show how easy it is to get around security protections for diagnostic equipment...'.
The program was able to convincingly add fake malignant growths to images of lungs taken by MRI and CT scanning machines.