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A. F. Olugbenga

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Review Open access 2026

Cybersecurity Risks in Digitized Capital Markets: A Comparative Regulatory Analysis of Operational Resilience, Disclosure, and Market Integrity

The digitization of capital markets has increased efficiency, connectivity, and innovation, but it has also transformed cybersecurity from an institution-specific technical concern into a systemic threat to market integrity and financial stability. This study evaluates the adequacy and coherence of cybersecurity regulation in digitized capital markets. It employs qualitative policy analysis, doctrinal review, and comparative analysis of the United States Securities and Exchange Commission framework, the European Union’s Digital Operational Resilience Act, and IOSCO/CPMI-IOSCO standards. Regulatory documents and scholarly evidence covering 2020–2026 are assessed through directed content analysis and a comparative matrix spanning governance, incident reporting, disclosure, resilience testing, third-party risk, business continuity, enforcement, and systemic resilience. The findings reveal partial regulatory convergence but persistent structural fragmentation. The United States prioritizes disclosure and investor protection; the European Union adopts a broader operational-resilience model; and international standards emphasize financial-market infrastructures, coordination, and systemic stability. Major deficiencies include weak integration between disclosure and resilience requirements, uneven oversight of critical technology providers, inconsistent incident definitions and reporting timelines, limited cross-border enforcement, and inadequate treatment of contagion and market outages. The study proposes a multilayered regulatory model that aligns entity-specific obligations with harmonized reporting, proportionate disclosure, direct oversight of critical third parties, coordinated recovery planning, and market-wide resilience testing. Such integration is essential for protecting investors, preserving market continuity, and containing systemic cyber risk.

A. F. Olugbenga · 0 citations
Review 2026

Artificial Intelligence and Financial-Sector Supervision in Africa: Opportunities, Risks and a Framework for Responsible Adoption.

Artificial intelligence (AI) is increasingly used in financial services and supervision, yet financial institutions and FinTech firms are adopting it faster than many African regulators can effectively oversee it. This study examined the applications, opportunities, risks and regulatory conditions associated with AI-enabled financial-sector supervision in Africa. It combined a systematic literature review with comparative regulatory analysis covering publications issued between January 2020 and July 2026. Evidence was retrieved from Scopus, Web of Science, SSRN, the IMF, World Bank, Bank for International Settlements, African Development Bank and relevant African regulatory authorities. Following PRISMA procedures, 565 records were identified, 141 duplicates were removed, and 424 records were screened. After full-text and quality assessments, 56 publications were included in the final thematic synthesis. Regulatory arrangements in Nigeria, Ghana, Kenya and South Africa were compared across AI policy, SupTech initiatives, data protection, cybersecurity, consumer protection, regulatory sandboxes, institutional capacity and accountability. The findings showed that AI could strengthen fraud detection, risk-based supervision, early-warning systems, regulatory-reporting analysis and consumer monitoring. However, poor data quality, algorithmic bias, limited explainability, privacy and cybersecurity risks, skills shortages and vendor dependence constrained responsible adoption. South Africa demonstrated the strongest disclosed financial-sector AI readiness, while Kenya had the clearest national AI strategy. Nigeria and Ghana had important digital-finance and cybersecurity foundations but limited publicly documented AI-enabled supervisory applications. The study developed an African Responsible AI–Financial Supervision Framework comprising six connected pillars and a phased adoption cycle. It recommends proportionate implementation, common model-validation standards, stronger inter-agency cooperation, shared regional infrastructure and independent oversight.

A. F. Olugbenga · 0 citations