Trendyol built a comprehensive Data Loss Prevention (DLP) system using N8N to monitor sensitive data leaks within their N8N automation workflows. The solution leverages N8N's API to scan all workflows daily, applies regex-based pattern matching to detect sensitive data like SSNs and API keys, aggregates violations to reduce alert fatigue, and reports findings through Slack and Google Sheets. The meta-approach of using N8N to secure itself provides automated monitoring at scale, with modular architecture supporting future integration with SIEM, SOAR, and incident management systems.
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