Integration security is crucial for protecting sensitive data within businesses and across third-party platforms, involving measures like authentication processes, secure data handling policies, and data access restrictions. However, ensuring robust integration security poses challenges such as the inherent insecurity of file or script-based data integrations compared to APIs, the complexity of setting up and maintaining access scopes, and the difficulty of using API logs for security issue identification effectively. Best practices for enhancing integration security include prioritizing API-based integrations, building automated workflows to address security issues, conducting extensive security testing, and carefully managing API keys and tokens. Additionally, when evaluating third-party integration solutions, it is essential to consider their compliance credentials, security features such as role-based access control and audit trails, and the types of integrations they support to ensure a comprehensive approach to data protection.