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1ヶ月前

Quantum Computing and Identity Assurance

Hitoshi Kokumai · Bad guys, who have a quantum computer at hand, would still have to break the part of user authentication that is not dependent on the public-key scheme, prior to accessing the target data, in the normal environment where secret credentials play a big role; quite a few cryptograph ...

1ヶ月前

New Slide - Healthy Second Life of Legacy Password Systems

Hitoshi Kokumai · We’ve come up with a slide presentation for “Bring a healthy second life to your legacy password system” · “We do not have to replace or rebuild the existing text password systems for making use of episodic memory; images of our episodic memory can be turned into a high-entropy c ...

11ヶ月前

US Army appears to be scarily misguided

Hitoshi Kokumai · Are you a US citizen? Should it be the case, you could consider talking to the Army or some US watchdog organizations urgently on this matter provided you find the following discussion relevant and compelling. · https://www.defensenews.com/cyber/2020/10/19/us-army-looks-to-use-s ...

1年前

Does US Army Really Want to Bring Down Security?

Hitoshi Kokumai · US Army looks to use soldiers’ biometric data to secure wearable tech · https://www.defensenews.com/cyber/2020/10/19/us-army-looks-to-use-soldiers-biometric-data-to-secure-wearable-tech/ · The US Army appears to be misguided. · We would not need to worry much if they intend to d ...

1年前

Summary and Brief History - Expanded Password System

Hitoshi Kokumai · ‘Easy-to-Remember’ is one thing. ‘Hard-to-Forget’ is another - The observation that Images are easy to remember has been known for many decades; it is not our theme. ·  What we discuss is that ‘images of our emotion-coloured episodic memory’ is ‘Hard to Forget’ to the extent that ...

1年前

Archive – Discussions on Digital Identity

Hitoshi Kokumai · I have produced an archive of the discussions on Expanded Password System (EPS) and related issues that I have posted on LinkedIn over the last two years. · - 43 from January through July 2020 · - 51 from January through December 2019 · - 13 from October through December 2018 ...

1年前

‘Harmful for security or privacy’ OR ‘Harmful for both security and privacy’

Hitoshi Kokumai · The situation still the same, I bring back an article posted 13 months ago. · From one view angle, biometrics would be harmful for ‘privacy’ if as accurate as claimed or would be harmful for ‘security’ if not so accurate. · From another view angle, biometrics is harmful for ‘bo ...

1年前

Who Adopted Expanded Password System and for What

Hitoshi Kokumai · A telecom company who built a payment system designed for a million online shoppers adopted Expanded Password System (EPS) for accepting ‘Hard-to-Forget’ and yet ‘Hard-to-Break’ credentials and for reducing the helpdesk cost drastically. Actually 140,000 online shoppers enjoyed t ...

1年前

Biometrics for Increasing and Decreasing Security

Hitoshi Kokumai · "Air Force and DISA working to secure off-the-shelf phones with specialized cases" https://www.fedscoop.com/phone-cases-security-air-force-disa/ · It could be a correct use of biometrics for increasing security if biometrics is used for continuously monitoring the user's voice an ...

1年前

External Body Features Viewed as ‘What We Are’

Hitoshi Kokumai · Body features are no more than body features · Can you be happy to see your external body features declared to be ‘what you are’? · Quite a few security experts have long asserted that there are three components for identity authentication – ‘What We Remember’ (Secret Credential ...

1年前

Biometrics Used Correctly

Hitoshi Kokumai · Anything used correctly is eful and so are UV, disinfectant and biometrics. · Identification in physical space of personnel at critical facilities could be a correct use of biometrics. Another correct use is detection of suspicious guys who try to take over the logged-in device ...

1年前

Identity Assurance - Sufficient and Necessary Conditions

Hitoshi Kokumai · It is not easy to define the 'sufficient condition' for describing a set of processes used to establish that a natural person is real, unique, and identifiable; criminals keep coming up with hitherto unknown weapons to compromise the said processes. · But we are easily able to d ...

1年前

The password is easy to crack – Are you sure?

Hitoshi Kokumai · Quite a few security professionals say ‘Yes’ very loudly. · We would say that a ‘hard-to-crack’ password is hard to crack and an ‘easy-to-crack’ password is easy to crack, just as strong lions are strong and weak lions are weak; look at the cubs, inured and aged. · However har ...

1年前

‘Easy-to-Remember’ is one thing. ‘Hard-to-Forget’ is another.

Hitoshi Kokumai · Images are easy to remember – This observation has been known for many decades. It is not what we advocate. · What we advocate is that ‘images of our emotion-colored episodic memory’ is ‘Hard to Forget’ to the extent that it is ‘Panic-Proof’. · This feature makes Expanded Passw ...

1年前

Availability-First Approach

Hitoshi Kokumai · People in identity management appear to be busy discussing 'Security-First Approach’ and ‘Convenience-First Approach'. We would like to say ‘Wait a minute! Those discussions could be valid only where citizens are given a means to get themselves somehow authenticated in the first ...

1年前

Update - History, Current Status and Future Scenarios of Expanded Password System

Hitoshi Kokumai ·   · Updated from 30/May/2019 Version · References to the publication of our article by Taylor & Francis and the selection of our proposition as a finalist for“FDATA Global Open Finance Summit & Awards 2019” are added in the chapter of ‘History of Expanded Password System’. · T ...

1年前

Advanced Persistent Threats in Digital Identity

Hitoshi Kokumai ·   · You may have heard this disturbing news report - Chinese hacker group caught bypassing 2FA - Chinese state-sponsored group APT20 has been busy hacking government entities and managed service providers. ·  We were amazed by the capability of those cyber attack forces, which m ...

1年前

Text Password System to Stay As-Is with Expanded Password System

Hitoshi Kokumai · - No need to replace the existing text password systems for implementing Expanded Password System for achieving higher security as well as better convenience- · Expanded Password System accepts non-text memory objects such as visual images as well as texts. Hearing it, some peop ...

1年前

Proposition on How to Build Sustainable Digital Identity Platform

Hitoshi Kokumai ·   · This article is a copy of the proposition shortlisted in the category of “Best innovation in security management – Who has done the most to protect consumer data” for “FDATA Global Open Finance Summit & Awards 2019”  https://fdata.global/summit/awards-2019/ · On 18/Oct/201 ...

1年前

Negative Security Effect of Biometrics Deployed in Cyberspace

Hitoshi Kokumai ·   · It was in 2001 on the website of a globally reputed electronics manufacturer that I first noticed this awkward phenomenon. They alleged that their face biometrics was going to displace the password. It immediately occurred to me what we could do when the system failed to reco ...

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