Use a system‑generated unique ID number (not SSN), fixed length (e.g., 8–10 chars), and avoid meaningful personal data. Keep the ID in HRIS/IT as the source of truth.
How to generate an employee ID number?
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About the Author: David Allen
After dropping out of College to focus on video production and graphic design, David decided to become a strength coach. And, after deciding to no longer be a strength coach, he went back to college. This resulted in a Masters degree in mathematics. David now serves as InstantCard's UX Prestidigitator.
