Don’t ask for your customers’ Social Security numbers (SSNs) and don’t use your employees’ SSNs as ID numbers, time card numbers or passwords. Store sensitive personal data in secure computer systems. Store physical documents in secure spaces such as locked file cabinets. Dispose of documents properly, including shredding paper with a cross-cut shredder, “wiping” electronic files, and destroying computer disksand CDs. Conduct regular staff training for new and existing employees, temporary employees and contractors.”]
Source: https://www.csoonline.com/article/2118290/top-10-ways-you-can-help-prevent-id-theft.html