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

https://wiki-nest.win/index.php/How_Do_I_Avoid_Uploading_a_Work_File_to_the_Wrong_Cloud_Account%3F

Start with your employer’s phone policy and use approved systems for patient work. Hide lock-screen previews, set clear on-call alerts, and check which account you’re using before you send or share. Keep personal messages on your own account.