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Do You Really Know Where Your API Keys End Up? A Security Guide for Fintech Developers
- Fintech developers must be cautious with API keys as they act as master keys to a bank vault, with simple oversights leading to leaks.
- Common ways API keys get leaked include Git history, environment files, client-side code, and error reporting services.
- Leaked API keys attract fast bots that exploit them, potentially enabling unauthorized access to process payments or access sensitive data.
- To secure API keys, utilizing environment variables and avoiding hardcoding in code is recommended.
- Best practices for API key security include key rotation, using secrets managers, and monitoring key usage for unusual activity.
- OAuth is suggested for complex integrations due to its advanced security features, access control, and token revocation capabilities.
- Flutterwave implements safety measures like distinct Test and Live modes, specialty keys, and key rotation processes to enhance API security.
- Developers are advised to remove exposed API keys, set up proper environment variables or secrets managers, and establish key rotation schedules.
- Tools like git-secrets, pre-commit hooks, GitHub secret scanning, and GitGuardian are available to prevent API key leaks.
- By understanding API key exposure, implementing secure practices, and considering advanced authentication methods, developers can mitigate security risks.
- Proactive measures like rotating keys, utilizing secrets management, and monitoring for irregular activities are crucial to prevent financial losses and data breaches.
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