Registered Information Security Specialist Exam, Spring 2024 (Reiwa 6) PM Q1 Commentary — JWT alg=none, API Authorization, and Interim WAF Mitigation (archived 2026-08-30)
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Abstract
Using the Registered Information Security Specialist Examination's Spring 2024 (Reiwa 6) PM Q1 as a case study, this article explains JWT's alg=none, API authorization, Mass Assignment, brute-forcing a four-digit authentication code, and interim mitigation with a WAF. Archived version of https://comcomponent.com/en/blog/sc-exam-r6s-pm-q1-api-security/, as published on 2026-08-30. The live article is maintained and may change after this date. First published 2026-08-06.
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View paper (DOI)Open access versionOpenAlexZenodo (CERN European Organization for Nuclear Research)Published 2026-08-30
Authors: Go Komura
Institutions: Fujikura (United States)