Keep in mind that digital data is not the only thing that needs to be protected. Paper documents also need to be protected. When disposing of any confidential documents, make sure they are shredded first or disposed of in bins for shredding. Also, be sure to lock up any sensitive documents before you go home at the end of the day.
To learn more, check out this OUCH! newsletter: https://securingthehuman.sans.org/newsletters/ouch/issues/OUCH-201610_en.pdf
More cybersecurity education available here: https://www.youtube.com/playlist?list=PLQNZaWpmI1TfMOQMJ-ra1VSGgkuOPtFlA