Follow your employer’s phone policy and use approved systems for patient work....

https://noon-wiki.win/index.php/Why_Is_%E2%80%9CPersonal_Convenience%E2%80%9D_Not_a_Good_Reason_to_Store_Clinical_Messages_in_WhatsApp-Style_Apps%3F

Follow your employer’s phone policy and use approved systems for patient work. Hide lock-screen previews, set clear on-call notification rules, and check which account you’re using before you send or share anything. Keep personal chats off work channels.