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All Journal Jurnal Ilmu Komputer dan Teknologi (IKOMTI) International Journal of Information Engineering and Science
Wahyu Latifatun
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Computer Science & IT Engineering

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Information System Audit on the Catatmak Application on the Web and Playstore Using the Cobit Framework for Financial Recording : Study Case : Application Note Fariz Nur Fikri Zaki; Putri Awaliatuz Zahra; Vidia Alma Cyrilla; Wahyu Latifatun; Jeffri Prayitno Bangkit Saputra
International Journal of Information Engineering and Science Vol. 2 No. 1 (2025): International Journal of Information Engineering and Science
Publisher : Asosiasi Riset Teknik Elektro dan Infomatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62951/ijies.v2i1.135

Abstract

PT Jadi Kaya Raya Bersama, which was founded in 2024 in Banyumas , Indonesia, focuses on providing solution recording reliable finance​ for Micro , Small and Medium Enterprises (MSMEs) through fintech applications . Although application This own potential big , a number of problem technical hinder its performance , including disruption in WhatsApp Bot API, error authentication users , and the lack of integration with system banking as well as digital wallet . Problems This influence accuracy recording transactions , efficiency operational , and user data security . For identify reason problems and provide the right solution , conduct a system audit with use COBIT framework . The audit results showed that API disruptions are caused by instability network and errors configuration , while problem authentication related with weak login mechanism . Inability application For integrated with service banking and e-money are obstacles comfort users . Therefore that , it is recommended For do API optimization , improving system authentication with authentication two factor (2FA), as well as develop integration with service banking and e-money. Improvements This expected can increase efficiency , safety and quality service PT Jadi Kaya Raya Bersama fintech application , which in the end support growth of MSMEs in Indonesia.
Evaluasi Keamanan Sistem Pada Aplikasi Catatmak Dengan Metode Kualitatif Berbasis Pengkodean Tematik Fariz Nur Fikri Zaki; Putri Awaliatuz Zahra; Vidia Alma Cyrilla; Wahyu Latifatun; Ranggi Praharaningtyas Aji; Dhanar Intan Surya Saputra
Jurnal IT UHB Vol 6 No 2 (2025): Jurnal Ilmu Komputer dan Teknologi
Publisher : Universitas Harapan Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35960/ikomti.v6i2.1871

Abstract

This study evaluates the implementation of data security and privacy mechanisms in the Catatmak mobile application, a local personal finance tool. It addresses the increasing risks associated with the handling of sensitive user data, particularly in digital financial platforms used by the general public. A qualitative method was employed, using semi-structured interviews with the main developer of the app, who also oversees the system’s technical infrastructure. The interview explored data collection policies, encryption and authentication mechanisms, as well as role-based access control. In parallel, static and dynamic security assessments were conducted using Mobile Security Framework (MobSF) and the OWASP Application Security Verification Standard (ASVS). Results indicate that Catatmak enforces key security practices including HTTPS encryption, OTP-based login, encrypted cloud storage, and RBAC-based access segmentation. Despite these efforts, user-related vulnerabilities remain dominant, particularly weak password habits and careless sharing of OTP codes. The developer emphasized that “most threats don’t come from hackers, but from users giving away their own credentials.” As a result, the study recommends the integration of two-factor authentication (2FA), user security education, and the adoption of Secure Software Development Lifecycle (SDLC) principles. These insights are expected to inform the development of more secure financial apps within the Indonesian digital ecosystem.
Co-Authors Bangkit, Jeffri Prayitno Dhanar Intan Surya Saputra Fariz Nur Fikri Zaki Putri Awaliatuz Zahra Ranggi Praharaningtyas Aji Vidia Alma Cyrilla