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Internal Audit Function and Good Corporate Governance as Determinants of Fraud Prevention in Islamic Banking: A Case Study of Bank Syariah Indonesia Banda Aceh

Evy Iskandar, Ayumiati, Muhammad Farhan, Akmal Riza, Ivon Jalil

View Author Affiliations
  • Evy Iskandar: Universitas Islam Negeri - Ar Raniry  Banda Aceh, Indonesia
  • Ayumiati: Universitas Islam Negeri - Ar Raniry  Banda Aceh, Indonesia
  • Muhammad Farhan: Universitas Islam Negeri - Ar Raniry  Banda Aceh, Indonesia
  • Akmal Riza: Universitas Islam Negeri - Ar Raniry  Banda Aceh, Indonesia
  • Ivon Jalil: Universitas Teuku Umar, Indonesia
Published:
October 10, 2025
Pages:
346–356

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Abstract

This study examines the influence of the internal audit function and Good Corporate Governance (GCG) on fraud prevention within an Islamic banking institution. Employing a quantitative research design with multiple linear regression analysis, data were collected from employees of Bank Syariah Indonesia Banda Aceh through structured questionnaires. The findings reveal that both internal audit and GCG have a positive and statistically significant effect on fraud prevention, both partially and simultaneously. Among the two variables, GCG demonstrates a more dominant contribution in strengthening fraud prevention mechanisms. These results indicate that effective governance structures, supported by risk-based internal audit practices, enhance the bank’s fraud risk management system. This study contributes to the growing body of literature on fraud prevention, particularly within the context of Islamic banking institutions.

Author Biographies
Evy Iskandar

Universitas Islam Negeri - Ar Raniry  Banda Aceh

Islamic Banking Study Program, Faculty of Islamic Economics and Business, Universitas Islam Negeri - Ar Raniry  Banda Aceh, Banda Aceh City, Aceh Province, Indonesia.

Ayumiati

Universitas Islam Negeri - Ar Raniry  Banda Aceh

Islamic Banking Study Program, Faculty of Islamic Economics and Business, Universitas Islam Negeri - Ar Raniry  Banda Aceh, Banda Aceh City, Aceh Province, Indonesia.

Muhammad Farhan

Universitas Islam Negeri - Ar Raniry  Banda Aceh

Islamic Banking Study Program, Faculty of Islamic Economics and Business, Universitas Islam Negeri - Ar Raniry  Banda Aceh, Banda Aceh City, Aceh Province, Indonesia.

Akmal Riza

Universitas Islam Negeri - Ar Raniry  Banda Aceh

Islamic Banking Study Program, Faculty of Islamic Economics and Business, Universitas Islam Negeri - Ar Raniry  Banda Aceh, Banda Aceh City, Aceh Province, Indonesia.

Ivon Jalil

Universitas Teuku Umar

Management Study Program, Faculty of Economics and Business, Universitas Teuku Umar, Meulaboh Regency, Aceh Province, Indonesia.

Article Identifiers
  • Article Title: Internal Audit Function and Good Corporate Governance as Determinants of Fraud Prevention in Islamic Banking: A Case Study of Bank Syariah Indonesia Banda Aceh
  • DOI: 10.59431/ijer.v5i2.602
  • Publication Date: 2025-10-10
  • Journal: Indonesian Journal Economic Review (IJER)
  • Volume: 5
  • Issue: 2
  • Pages: 346–356
References

Issue Information

Article Details

Volume: 5
Issue: 2
Year: 2025
Published: 2025-10-10
Pages: 346–356
Section: Articles
View Full Issue
Additional Information

How to Cite

Iskandar, E., Ayumiati, Farhan, M., Riza, A., & Jalil, I. (2025). Internal Audit Function and Good Corporate Governance as Determinants of Fraud Prevention in Islamic Banking: A Case Study of Bank Syariah Indonesia Banda Aceh. Indonesian Journal Economic Review (IJER), 5(2), 346–356. https://doi.org/10.59431/ijer.v5i2.602
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