Start with your employer’s phone policy and use only approved systems for...

https://ace-wiki.win/index.php/What_Does_ICO_%E2%80%9CWorking_Securely%E2%80%9D_Mean_for_Notifications_and_Lock_Screens%3F

Start with your employer’s phone policy and use only approved systems for patient information. Hide message previews on your lock screen. Set clear on-call notification rules, and check which account you’re using before sharing files or messages