Implementing HashiCorp Vault for Secure Credential Management in Financial Services: A Java-Centric Approach
DOI:
https://doi.org/10.22399/ijcesen.2473Keywords:
HashiCorp Vault, Credential Management, Financial Services, Java Integration, Dynamic Secrets, Secure InfrastructureAbstract
Amid growing cyber-attacks and evolving regulatory expectations, financial institutions need a new approach to secure credential management. In this study, a comprehensive integration of HashiCorp Vault and Java-based microservices is introduced to minimize the possibilities of static secret storage and involuntary access. Our approach is built around Vault’s dynamic secret generation, encryption-as-a-service, and audit logging which provides a resilient architecture specifically designed for the financial services ecosystem. In this regard, the research presents an exhaustive analysis on the performance of the system under different load conditions, along with a thorough penetration testing and dynamic secret rotation mechanisms that are compared with existing methods. Empirical results show that the proposed framework achieves sub-100ms 95%-percentile response times at moderate loads, scales efficiently with concurrent users, and mitigates the exposure window of sensitive credentials by several orders of magnitude. These results highlight the potential integration of sophisticated secrets management tools into existing legacy and new Java applications, with a more secure and compliant approach concerning regulatory requirements.
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