Financial Technology
Real-Time Threat Mitigation for a Fintech SaaS Platform
Delivering continuous security for sensitive financial data on the web
Client:B2B Fintech SaaS Startup
1The Challenge
The client's application faced frequent bot attacks and attempted exploitation of authentication endpoints. With sensitive financial data at stake, they required a solution that provided both performance and security — without slowing down DevOps pipelines.
2Our Solution
- Deployed AWS WAF with custom rule sets tailored for authentication and API Gateway endpoints
- Used AWS Firewall Manager to centrally enforce security policies across multiple AWS accounts
- Implemented Infrastructure-as-Code using AWS CloudFormation templates for consistent and automated security deployments
- Integrated anomaly detection with Amazon GuardDuty and configured automated alerts to Slack for real-time operations response
- Built monitoring and reporting dashboards using Amazon CloudWatch to measure WAF rule effectiveness
- Leveraged AWS Lambda for automated remediation of detected security anomalies
3The Results
- 97% of automated bot traffic blocked within the first week of deployment
- 50% reduction in attack surface across all environments through centralized policy enforcement
- 80% faster integration of WAF updates into CI/CD pipelines using CloudFormation
- Maintained <100ms response times with negligible latency impact on end-users
- Improved DevOps productivity by 30% due to automated, security-as-code workflows
Technologies We Used
AWS WAFAWS Firewall ManagerAmazon GuardDutyAWS CloudFormationAmazon CloudWatchSlack API IntegrationAmazon API GatewayAWS Lambda
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