Update SECURITY.md

SECURITY.md

@@ -1,11 +1,13 @@
 # Security Policy
+Thank you for helping us keep the SDKs and systems they interact with secure.
 
 ## Reporting Security Issues
 
 This SDK is maintained by [Anthropic](https://www.anthropic.com/) as part of the Model Context Protocol project.
-Anthropic takes security seriously, and encourages you to report any security vulnerability promptly so that appropriate action can be taken.
+Anthropic takes security seriously, and encourages you to report any security vulnerability promptly so that 
+appropriate action can be taken.
 
-To report a security issue, please contact the Anthropic team at security@anthropic.com.
+Our security program is managed on HackerOne. Please report any security issues via https://hackerone.com/anthropic-vdp.
 
 ## Responsible Disclosure
 
@@ -14,15 +16,7 @@ the SDK. If you believe you have found a security vulnerability, please adhere t
 disclosure practices by allowing us a reasonable amount of time to investigate and address the issue
 before making any information public.
 
-## Reporting Non-SDK Related Security Issues
-
-If you encounter security issues that are not directly related to SDKs but pertain to the services
-or products provided by Anthropic please contact security@anthropic.com.
-
-### Anthropic Terms and Policies
+## Policy
 
-Please contact support@anthropic.com for any questions or concerns regarding security of our services.
-
----
-
-Thank you for helping us keep the SDKs and systems they interact with secure.
+See our vulnerability disclosure policy at [HackerOne](https://hackerone.com/anthropic-vdp) for further
+details.