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+# Security Policy
+
+## Supported Versions
+
+| Version | Supported          |
+| ------- | ------------------ |
+| 4.0.x   | :white_check_mark: |
+| 3.0.x   | :x:                |
+| 3.0a    | :x:                |
+
+## Reporting a Vulnerability
+
+Please provide:
+1. Details of how the EFI binary was produced
+2. Where the vulnerability is found in gnu-efi's source code (if known)
+3. Steps to (re-)produce the vulnerability
+
+[Report here](https://github.com/ncroxon/gnu-efi/security/advisories/new)