Introducing Source and Sink Tracing for Smarter Security

June 19, 2025

Source and sink analysis is a revolutionary security feature that brings enterprise-grade vulnerability analysis to your development workflow. Unlike traditional static analysis tools that simply point out vulnerabilities, this feature provides a comprehensive, intelligent analysis of how untrusted data flows through your entire codebase.The analysis works by first identifying the "source" - where untrusted data enters your application - and then meticulously tracing its journey through your code.

It doesn't just look at a single file or function; it follows the data as it moves across multiple files, through various functions, and undergoes transformations. This is made possible by advanced LLM technology that understands code context and can intelligently map data flows that would be impossible for traditional static analysis tools to detect.What makes this feature truly unique is its ability to provide a clear, visual representation of the entire data flow path. For each step in the trace, it shows:

  • The exact file and line numbers where the data is processed

  • The actual code snippets involved

  • How the data is transformed or passed between functions

  • Any potential sanitization or validation that occurs

This level of detail is particularly valuable because it helps developers understand not just where vulnerabilities exist, but why they exist and how they can be properly addressed. It's like having a security expert walk through your code, explaining exactly how data flows and where potential security issues might arise.The benefits of this feature are substantial:

  • It helps developers identify and fix security issues before they reach production

  • It provides clear, actionable insights that are easy to understand and act upon

  • It saves time by automatically mapping complex data flows that would take hours to trace manually

  • It helps teams maintain better security practices by understanding how data moves through their applications

  • It's particularly valuable for complex applications where data flows across multiple files and services

This feature represents a significant advancement in security tooling, moving beyond simple vulnerability detection to providing deep, contextual understanding of how data flows through applications. It's not just a security tool - it's a learning tool that helps developers build more secure applications by understanding the full context of potential vulnerabilities.

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