To be more secure or less secure, that is the question

Hitoshi Kokumai
2 min readMay 20, 2021


“Passwordless MFA solutions with biometrics launched by SecureAuth, LoginID”


Remove the password and we will see the security lowered. Add the biometrics and we will see the security further lowered. Those people, however, seem to have reached the opposite conclusion; it’s puzzling.

Our observation is outlined here — “Removal of Passwords and Its Security Effect ”

I would welcome the comments from the people who reckon that removal of the password increases the security and addition of biometrics increases the security yet further.

Key References

“What we need to do for NOT achieving Solid Digital Identity”

Removal of Passwords and Its Security Effect

Negative Security Effect of Biometrics Deployed in Cyberspace

External Body Features Viewed as ‘What We Are’

Additional References

For Achieving Solid Digital Identity on Information Security Buzz (Mar/2021)

What We Know for Certain about Authentication Factors

Digital Identity for Global Citizens

Image-to-Code Conversion by Expanded Password System

Summary and Brief History — Expanded Password System

Proposition on How to Build Sustainable Digital Identity Platform

Account Recovery with Expanded Password System

History, Current Status and Future Scenarios of Expanded Password System

Availability-First Approach

Update: Questions and Answers — Expanded Password System and Related Issues

< Videos on YouTube>

Slide: Outline of Expanded Password System (3minutes 2seconds)

Digital Identity for Global Citizens (10minutes — narrated)

Demo: Simplified Operation on Smartphone for consumers (1m41s)

Demo: High-Security Operation on PC for managers (4m28s)

Demo: Simple capture and registration of pictures by users (1m26s)

Slide: Biometrics in Cyber Space — “below-one” factor authentication


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Hitoshi Kokumai

Advocate of ‘Identity Assurance by Our Own Volition and Memory’, Inventor of Expanded Password System and Founder of Mnemonic Identity Solutions Limited in UK.