diff --git a/windows/hub/breadcrumb/toc.yml b/windows/hub/breadcrumb/toc.yml
index 1a0289c119..b8fb1254fb 100644
--- a/windows/hub/breadcrumb/toc.yml
+++ b/windows/hub/breadcrumb/toc.yml
@@ -41,8 +41,8 @@ items:
                 tocHref: /windows/security/hardware-security/
                 topicHref: /windows/security/hardware-security/
               - name: Operating system security
-                tocHref: /windows/security/os-security/
-                topicHref: /windows/security/os-security/
+                tocHref: /windows/security/operating-system-security/
+                topicHref: /windows/security/operating-system-security/
               - name: Identity protection
                 tocHref: /windows/security/identity-protection/
                 topicHref: /windows/security/identity-protection/
diff --git a/windows/security/security-foundations/toc.yml b/windows/security/security-foundations/toc.yml
index df6dd32a52..51e238fc1f 100644
--- a/windows/security/security-foundations/toc.yml
+++ b/windows/security/security-foundations/toc.yml
@@ -6,6 +6,4 @@ items:
 - name: Microsoft Security Development Lifecycle
   href: msft-security-dev-lifecycle.md
 - name: Certification
-  href: certification/toc.yml
-- name: Zero Trust and Windows
-  href: zero-trust-windows-device-health.md
+  href: certification/toc.yml
\ No newline at end of file