Your Go Structs Are Leaking: 6 Encapsulation Fixes From a Security CLI

📰 Dev.to · Bala Paranj

Learn how to fix common encapsulation issues in Go structs to improve security, including returning pointers to internal slices and exposing mutable globals

intermediate Published 29 Apr 2026
Action Steps
  1. Identify potential encapsulation issues in your Go code using a security CLI tool
  2. Fix returning pointers to internal slices by using value receivers instead of pointer receivers
  3. Use unexported fields to hide internal implementation details
  4. Avoid exposing mutable globals by using encapsulated data structures
  5. Apply the principle of least privilege to restrict access to sensitive data
  6. Test your code for encapsulation issues using Go's built-in testing tools
Who Needs to Know This

Software engineers and developers working with Go can benefit from this article to improve the security and integrity of their code, while security teams can use the provided CLI tool to identify vulnerabilities

Key Insight

💡 Returning pointers to internal slices and exposing mutable globals can lead to security vulnerabilities in Go, but can be fixed using encapsulation techniques

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🚨 Secure your Go code: Fix encapsulation issues to prevent data leaks 🚨

Key Takeaways

Learn how to fix common encapsulation issues in Go structs to improve security, including returning pointers to internal slices and exposing mutable globals

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How returning pointers to internal slices, exposing mutable globals, and using pointer receivers on...
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