The cyberattack on Phoenix-based Banner Health has healthcare facilities re-examining their defenses, according to an article on the Becker's Health IT and CIO Review website.
The hackers appear to have infiltrated the point-of-sale systems at the food and beverage outlets. From there, they seem to have been able to access other systems.
This lack of segmentation poses a significant security risk.
Putting all systems on one main network gives hackers easy access to information.