feat(security): Adds security policy to repo

README.md

@@ -267,6 +267,10 @@ Please check our [Contributing Guidelines](https://docs.sedge.nethermind.io/docs
 
 If you know of any good tricks for validator setup that other people could also use well, please consider adding it to Sedge. Your efforts will be greatly appreciated by the community.
 
+## 🛡️ Security 
+
+If you believe you have found a security vulnerability in our code, please report it to us as described in our [security policy](SECURITY.md).
+
 ## ⚠️ License
 
 Sedge is a Nethermind free and open-source software licensed under the [Apache 2.0 License](https://github.com/NethermindEth/sedge/blob/main/LICENSE).

SECURITY.md

@@ -0,0 +1,10 @@
+# Security policy
+
+If you believe you have found a security vulnerability in our code, we encourage you to report it to us as soon as possible.
+We ask that you do not publicly disclose any details of the vulnerability until we have had an opportunity to investigate and address it. 
+
+## Reporting a vulnerability
+
+To report a security vulnerability, go to [Report a vulnerability](https://github.com/NethermindEth/sedge/security/advisories/new). This will create a draft advisory. Please provide as much detail as possible including steps to reproduce the issue and any potential impact it may have.
+
+Alternatively, you can also send an email to [email protected]. We will work to acknowledge your report within 24 hours and will keep you informed throughout our investigation and resolution process.