Author: Nat

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 on OAuth security

(Following is the transcript of my speech at the TUAC Forum at the 2016 OECD Ministerial on the Digital Economy) Q. Why is access to an open internet important?

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, 2016). To join

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 – 09:10 Chair’s Welcome

@JamieXML pinged me about the @18F breach that I completely missed. I quickly googled it and found this article. IG report:18F’s unauthorized Slack use caused breach of 100

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. That’s a bit

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 authorization response with

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 endpoint to obtain

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 readers of the

2015 was a hectic year: Bunch of the specs that I have been working on (JWS [RFC7515], JWT [RFC7519], OAuth PKCE [RFC7636], JWK Thumbprint [RFC7638]）got published and the work to convert ISO/IEC 29100 Privacy