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Hitoshi Kokumai

Hitoshi Kokumai ブログ

Hitoshi kokumai is an advocate ... Ōsaka-shi - Ōsaka-fu プロフィールを見る

Larger Attack Surface on User’s Device

I today take up this The Register report - “Client-side content scanning as an unworkable, insecure disaster for democracy” · https://www.theregister.com/2021/10/15/clientside_side_scanning/ · Glancing over this worrying report, I found this paragraph especially eye-catching; “I ...

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Truly Big Threat

The quantum computer held in a bad guy’s hand is indeed a big threat. So is the artificial intelligence that has gone out of control. · However, a yet bigger threat comes from the humans who are indifferent to the power and value of humans' volition and memory. · Worst would be ...

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Publishing by aiTech Trend

https://aitechtrend.com/quantum-computing-and-password-authentication/ · My latest article titled ‘Quantum Computing and Password Authentication’ was published by NY-based aiTech Trend. · https://aitechtrend.com/ · Below is the gist. · -Quantum computing, however powerful, canno ...

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Memo with a Password written on it

Device with a Password stored on it

Is it correct to handle them as 'What We Know’
like "Remembered Password’?

Nonpredictable Passwords Carried Around on Memo

I got interested in this article -on the password problem · “Tech Q&A” · https://www.unionleader.com/nh/lifestyles/tech-q-a-safeguarding-against-password-hackers/article_16d3629e-b5ba-550b-b2ac-6070403f61a4.html · Their answer is “The best defense against brute force and dictio ...

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Serious Funny Reality

I take up this new report today - “Researchers Defeated Advanced Facial Recognition Tech Using Makeup” https://www.vice.com/en/article/k78v9m/researchers-defeated-advanced-facial-recognition-tech-using-makeup · The report says “The experiment saw 100 percent success in the digita ...

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DED

RDaDHP
BOP v6
mec Ne

gr |ar

Generating High-
Entropy Password like

xtyax9d4294dlelEYVz
wo/gadieowUx093/x7
?lwble84x09xloPxLxeo
dtyYDidex&&xeigo@y...

Password Manager or Expanded Password System

“Expanded Password System is no bad, but we do not need it. · We can rely on password managers that are protected by a single strong password. · Password predicament is already sort out by password managers”. This is what we often hear here and there. · Then, what if we come up ...

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Leak-resistant Secret Credentials

Today's topic is “Microsoft Exchange Autodiscover protocol found leaking hundreds of thousands of credentials” · https://www.theregister.com/2021/09/22/microsoft_exchange_autodiscover_protocol_found/ · It appears to be next to impossible for any talented servicers to locate all ...

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Secret Credenti

 
   
 

Memories

Episodic Memory

Dual Causes of Password Predicament

Our password headache may well be the consequence of these dual causes - · ‘Use of Impracticable Password’ and ‘Non-Use of Practicable Password’ · Everyone grumbles at the former, while few are well awake to the latter. · For more about the latter, you could refer to this post –“ ...

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Quantum Computing and Identity Assurance

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 ...

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Advantage of Biometrics Security to Criminals

Taken up today is this TechRepublic report on voice print as a new password - https://www.techrepublic.com/article/your-voiceprint-could-be-your-new-password-as-companies-look-to-increase-security-for-remote-workers/ · Instead of “Your voiceprint could be your new password as com ...

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Distracted “A

Graphs talk the nature of biometrics

Biometrics is 'probabilistic' by nature since it measures unpredictably variable body features of living animals in ever changing environments. · – FAR and FRR are not the variables that are independent from each other, but are dependent on each other · – the lower a FAR is, the ...

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Threat Bigger than Quantum Computer

We today take up this report “NSA: We 'don't know when or even if' a quantum computer will ever be able to break today's public-key encryption” · https://www.theregister.com/2021/09/01/nsa_quantum_computing_faq/ · Conclusion of this report: · “In a world where users will divulge ...

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DED

RDaDHP
BOP v6
mec Ne

gr |ar

Generating High-
Entropy Password like

xtyax9d4294dlelEYVz
wo/gadieowUx093/x7
?lwble84x09xloPxLxeo
dtyYDidex&&xeigo@y...

New Slide - Healthy Second Life of Legacy Password Systems

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 ...

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FRR (False Rejection Rages)

 

False Acceptance Rates and False Rejection Rates

 

10

10%

10°

    
    

38 (Equa ror Rates)

procucts
(more accurate)

  

 
 

00 100 ar 100 10
FAR (Fale Accegtarce Rates)

What these 2 graphs tell us about biometrics

Biometrics is 'probabilistic' by nature since it measures unpredictably variable body features of living animals in ever changing environments. · A graph below shows the False Acceptance Rates (FAR) and False Rejection Rates (FRR) of two biometrics products - one relatively more ...

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The Password cannot be an Enemy of People

Think Digital Partners, UK, published our observation - https://www.thinkdigitalpartners.com/news/2021/08/25/why-the-password-isnt-an-enemy-of-people/ · Discussed here are · “Password-less security is to cyber security what army-less defence is to national defence” · “Biometrics ...

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THANKS TO or IN SPITE OF

Observation 1: “Voice ID technology is dramatically cutting fraud in banking”, as claimed in this article. https://www.thinkdigitalpartners.com/news/2021/08/18/biometrics-finding-its-voice/ · Observation 2: Biometrics brings down identity security, as examined in this post – “Ste ...

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Unbreakable Password: Theft-prone though Unbreakable

I take up this report today - “SBI suggests 8 ways in which you can create an unbreakable password” · https://www.livemint.com/money/personal-finance/sbi-suggests-8-ways-in-which-you-can-create-an-unbreakable-password-11629343136710.html · Such unbreakable passwords as suggested ...

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group_work イン Cybersecurity and Privacy

My Face is Your Face and also Their Faces, isn’t it?

Today’s topic is this intriguing report - “'Master Face': Researchers Say They've Found a Wildly Successful Bypass for Face Recognition Tech” https://gizmodo.com/master-face-researchers-say-theyve-found-a-wildly-succ-1847420710 · It reads “computer scientists at Tel Aviv Universi ...

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UNITED NATIONS
HUMAN RIGHTS

on on

UN Human Rights Committee on Biometrics

Today's topic is the announcement by UN Human Rights Committee that storing biometric data on identity cards violates privacy –https://www.ohchr.org/EN/NewsEvents/Pages/DisplayNews.aspx?NewsID=27329&LangID=E · This is another case that biometrics is viewed as conflicting with hum ...

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Another Aspect of Biometrics

Today I take up this report “Europe makes the case to ban biometric surveillance” https://www.wired.co.uk/article/europe-ai-biometrics · A friend has directed me to this very intriguing news, which reads “the biometrics business is on a collision course with Europe’s leading data ...

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