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A Study on Strengthening User Authentication Using OAuth Authentication Tickets

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2025, 30(11), pp.161~168
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science
  • Received : October 20, 2025
  • Accepted : November 19, 2025
  • Published : November 28, 2025

Eun-Gyeom Jang 1

1장안대학교

Accredited

ABSTRACT

In the paper, we propose a technical approach to enhance the security of user authentication services based on OAuth (Open Authorization), while maintaining the convenience and simplicity of login functionality. Currently, many systems rely on external OAuth authentication, which exposes them to various security threats such as ticket errors, breaches, and leakage. To address these vulnerabilities, the following security enhancement techniques are applied: first, secondary verification and authentication procedures are implemented to prevent unauthorized use of authentication tickets; second, client-side access control is reinforced to mitigate risks associated with ticket leakage; and third, real-time user authentication is provided to improve trust and system protection. Compared to conventional OAuth-only methods, the proposed approach introduces an additional OTP-based authentication step, which may slightly reduce user convenience. However, it offers significant advantages in terms of protecting both users and systems.

Citation status

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