An attacker who’s able to access someone’s Google account will see whatever the user can see. Encrypt docs before uploading to Google is currently cumbersome, but efforts are underway to make it easier. Maintain backup email accounts if someone hacks into your Gmail account and changes the password. In our Measuring Risk: A Security Pro’s Guide report, we recommend tools for evaluating security risks and providing ideas for effectively putting the resulting data into business context. In the report, the biggest challenges facing IT today is risk assessment.”]
Source: https://www.darkreading.com/attacks-breaches/9-google-apps-security-secrets-for-business