Purchase “Proving Humanity: The Six Factors of Identity Verification and Authentication.”
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About the Book
Why are identity verification and authentication important? How do you perform identity verification and authentication? This book will answer these and other questions.
Drawing on over 30 years of expertise in biometrics and identity technology, I will go beyond the traditional three-factor and five-factor models to explore a comprehensive six-factor framework. From the vulnerability of passwords to the innovative science of DNA and behavioral biometrics, this book provides a deep dive into how we prove who we are—and how fraudsters try to stop us.
Whether you are a security professional or a curious reader, discover why intent and location are critical to modern identity verification and authentication.
Contents
- Preface
- Introduction
- The First Factor: Something You Know
- The Second Factor: Sonething You Have
- The Third Factor: Something You Are
- The Fourth Factor: Something You Do
- The Fifth Factor: Somewhere You Are
- The Sixth Factor: Somewhat You Why
- Multi-Factor Authentication
- Conclusion
Who I Am
Speaking of identity, who am I?

I am John E. Bredehoft, the owner since 2020 of Bredemarket, a marketing and writing services consultancy. I have spent the last 30-plus years in identity, primarily biometrics. During this time several identity firms have employed me.
- Incode, Senior Product Marketing Manager.
- Printrak International, Proposal Writer.
- Motorola, Product Manager.
- MorphoTrak, Proposal Manager and Strategic/Product Marketing Manager.
- IDEMIA, Corporate Strategy Manager. (I was also a Competitive Intelligence Manager, but don’t tell anyone.)
When you count my Bredemarket clients, I’ve worked for nearly two dozen different firms in identity, biometrics, and technology. I’ve seen how these technologies are used, and misused. And how they’ve improved.

