Update index.adoc (#4336)

Co-authored-by: Ernesto García <[email protected]>
(cherry picked from commit d6c7cee)

Author: 2 people

docs/modules/ROOT/pages/index.adoc

@@ -45,6 +45,8 @@ To keep your system secure, you should **always** use the installed code as-is,
 
 Please report any security issues you find via our https://www.immunefi.com/bounty/openzeppelin[bug bounty program on Immunefi] or directly to [email protected].
 
+The https://contracts.openzeppelin.com/security[Security Center] contains more details about the secure development process.
+
 [[next-steps]]
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