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2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 ...

3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 ...

1年前

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

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

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

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

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 ...

1年前

Text Password - Lamentable, Not Blamable

Hitoshi Kokumai · We can LAMENT that text passwords are so hard to manage, but it would be silly if we BLAME the text passwords when citizens do not have an alternative solution with which the citizens can achieve the same or better security without depending on the text passwords. ·  We recommen ...

2年前

Is This Silence Due to Awareness of Complicity?

Hitoshi Kokumai · Biometrics has continuously contributed to providing a favorable environment to criminals, not to citizens, for nearly two decades and the public has been misled to believe that biometrics has provided better security for citizens. · This false sense of security might well keep ...

2年前

Quick Money from False Sense of Security – Ethically Dubious Business Practice

Hitoshi Kokumai · Summary: The password is insufficient, but not harmful. Biometrics is harmful, and not sufficient.  · Attempting to make quick money by spreading a false sense of security is ethically dubious and practically suicidal. · - Is the password weaker than biometrics? · It is not feasi ...

2年前

Context-dependent Descriptions of ‘Password-less’ Authentication

Hitoshi Kokumai · The word 'Password-less' seems to be multi-semantic depending on the context. Let us break it down. · 1. Where the entire family of passwords is removed from digital identity altogether, we would have only two authenticators - physical token and biometrics. · Since biometrics r ...

2年前

Spoofing and Liveness-Detection of Biometrics

Hitoshi Kokumai · Summary: 'Spoofing' of body features is an additional factor that raises false acceptance/match rates, while a 'counter-spoofing' measure is an additional factor that raises the false rejection/non-match rates. · You may well be aware of this news - http://www.forbes.com/sites/ ...

2年前

Biometrics and Me

Hitoshi Kokumai · It was on the website of a globally famous electronics manufacturer I visited in 2001 that I first noticed this awkward phenomenon. · They alleged that their face biometrics was going to kill the password altogether from identity authentication. It immediately occurred to me wha ...

2年前

Hey, Biometrics Guys! Get Provoked!

Hitoshi Kokumai · Over several years we have repeatedly made clear that biometrics brings down security to the level lower than a password-only authentication where it is used together with a password in a ‘multi-entrance’ deployment, as against a “multi-layer” deployment. · The first article wri ...

2年前

Password-killer = Democracy-killer

Hitoshi Kokumai · Still seeing not a few people alleging loudly that better security would be achieved by removing the password from digital identity, I would bring back my earlier article published on ValueWalk two years ago – “Democracy Would Be Dead Where The Password Is Killed” · “Some securi ...

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