Case Study
API Security in Insurance
This case study presents a real-world API security vulnerability affecting a modern insurance platform, outlines the business and technical risks, demonstrates how Rakuten SixthSense prevents the breach, and explains the limitations of traditional security tools.
Growing risk of API Threats in Financial Institutions
Sensitive
Data Exposure
APIs frequently handle Personally Identifiable Information (PII), account details, and transactional data
Complex Third-Party
Integrations
The widespread integration of third-party APIs expands the attack surface.
Legacy System
Exposures
Many financial institutions still operate aging core systems that lack proper security designs and auditing capabilities alongside modern API layers.
Read
Outcomes
- •Credential stuffing leads quickly to advanced, business-impacting fraud when APIs lack user behavior analytics and context-aware rate limiting.
- •Traditional controls (WAF, simple rate limiting) are blind to distributed and post-authentication abuse.
- •Maintaining customer trust and reducing fraud exposure require continuous behavioral analysis and automated, adaptive response at the API layer.
- •Advanced API security platforms like Rakuten SixthSense uniquely detect both credential stuffing at the authentication layer and downstream misuse - enabling timely intervention before fraud escalates.
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