![]() In conclusion, the use of the Korean language-based password security evaluation model proposed in this paper will contribute to choosing more secure passwords for Korean language-based sites or users. This is superior to the 80.06% accuracy shown by the existing model. As a result, the proposed model showed 99.38% accuracy for Korean language-based leaked passwords. In addition, to verify the effectiveness of the proposed model, we conducted experiments to evaluate the security of Korean language-based passwords using a database of passwords that have been actually leaked. ![]() We compose a non-English, Korean language-based password dictionary and propose a password security evaluation model based on this for Korean users. ![]() In this regard, there are limitations in applying the existing security evaluation models to passwords chosen by non-English speakers. Passwords depend on the memory of the user and are closely related to the language or environment used by the user. However, existing evaluation models evaluate security based on the English alphabet. Due to this fact, security evaluation models for various passwords have been presented. To ensure confidentiality, it is important to evaluate the strength of the password and choose a very secure password. Passwords with weak security cannot perform the role of user authentication and personal information protection because confidentiality is easily violated. In the field of information security, passwords are a means of authenticating users.
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