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Digital Identity and Privacy
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Category: OAuth

Financial API OAuth OpenID Connect

API Days Berlin 2017 Presentation

Nat November 9, 2017 No Comments APIdaysBerlin

Here is the slide I used for APIDays Berlin 2017: Banking APIs and PSD2 — The finish line for PSD2 and Open Banking. A couple of…

View More API Days Berlin 2017 Presentation
Financial API identity OAuth OpenID Connect OpenID Foundation security

APIDays 2016: Financial Grade OAuth & OpenID Connect

Nat December 14, 2016 No Comments APIAPIdaysOpen BankingPSD2

Here is the slide I used in API Days Paris 2016, for the Banking track. Direct link to slideshare: http://www.slideshare.net/nat_sakimura/financial-grade-oauth-openid-connect Hope they are useful.

View More APIDays 2016: Financial Grade OAuth & OpenID Connect
Financial API OAuth security

Fixing OAuth?

Nat July 20, 2016 No Comments cut-n-pasteFAPImix-up attackOAuthRFC6749RFC6750

On the 14th and 15th of July, we had the OAuth Security Workshop 2016 at the University of Trier. Further, we had a IETF 96 side meeting…

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identity OAuth OpenID Connect OpenID Foundation privacy security

FAPI Presentation at Open Data in Finance Conference @ London

Nat June 15, 2016 No Comments #odfFAPIFianncial APIPSD2

Here is the presentation file that I used for my 10 minutes OpenID Foundattion Financial API WG presentation at the Open Data in Finance Conference ( June 15,…

View More FAPI Presentation at Open Data in Finance Conference @ London
Financial API identity OAuth OpenID Connect OpenID Foundation security

Open Data in Finance Conference: Chair’s Welcome

Nat June 15, 2016 No Comments

Here is the script of the Chair’s remark at the opening of the Open Data in Fianance Conference in London (June 15, 2016) 09:00 –…

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identity OAuth OpenID Connect

Authorization Delegation: A financial accounts aggregation use case

Nat January 29, 2016 1 Comment

I have many bank accounts. If I wanted to use a new and shiny graphing service, I have to get authorization from each banks individually.…

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OAuth OpenID Connect security

Cut and pasted code attack in OAuth 2.0 [RFC6749]

Nat January 25, 2016 6 Comments

The so called ‘cut and pasted code attack’ also known as ‘Frankenstein Monster Attack’ is an attack that the adversary swaps the ‘code’ in the…

View More Cut and pasted code attack in OAuth 2.0 [RFC6749]
identity OAuth OpenID Connect security

Code phishing attack on OAuth 2.0 [RFC6749]

Nat January 22, 2016 9 Comments code phishingmix-upOAuth IdP Mix-up attack

Code phishing attack is the attack that the adversary obtains the code and client credentials from the legitimate client and uses them against the honest token…

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OAuth OpenID Connect security

IdP Mix-up Attack on OAuth [RFC6749]

Nat January 15, 2016 1 Comment OAuth IdP Mix-up attack

On Sunday 10, 2016, OAuth Security Advisory: Authorization Server Mix-Up was issued. Nov Matake wrote an excellent article about it in Japanese. To help understand the…

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identity OAuth OpenID Connect

On the XARA vulnerability on MacOS X and iOS

Nat June 19, 2015 3 Comments securityXARA

Just came across this article: Apple CORED: Boffins reveal password-killer 0-days for iOS and OS X, by The Register. Since the news itself did not explain…

View More On the XARA vulnerability on MacOS X and iOS

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