#privacy

1 フォロワー 0 刊行物 · 34 記事
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2年前

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 ...

2年前

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 ...

3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 ...

3年前

< Probability of Wrong People Getting Persecuted >

Hitoshi Kokumai ·   · “What would it take for a global totalitarian government to rise to power indefinitely? This nightmare scenario may be closer than first appears.” · https://www.bbc.com/future/article/20201014-totalitarian-world-in-chains-artificial-intelligence · It would be nightmarish to ...

3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 ...

3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 ...

3年前

Puzzling Perception – Sacrificing Privacy for Decreased Security?

Hitoshi Kokumai · How much of our privacy are we ready to sacrifice in return for DECREASED security, not for increased security? · Biometrics vendors seem to be reluctant to make it clearly known that biometrics and a default/fallback password/PIN are used together in a security-lowering ‘two-en ...

3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 ...

3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 ...

4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 ...

4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 ...

4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 ...

4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 ...

4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 ...

4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 ...

4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 ...

4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 ...

4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 ...

4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 ...

4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/ ...

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