diff --git a/content/roadmaps/101-backend/content/111-web-security-knowledge/106-cors.md b/content/roadmaps/101-backend/content/111-web-security-knowledge/106-cors.md
index 7b9050194..1079e74cb 100644
--- a/content/roadmaps/101-backend/content/111-web-security-knowledge/106-cors.md
+++ b/content/roadmaps/101-backend/content/111-web-security-knowledge/106-cors.md
@@ -1 +1,7 @@
-# Cors
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+# Cors
+
+Cross-Origin Resource Sharing (CORS) is an HTTP-header based mechanism that allows a server to indicate any origins (domain, scheme, or port) other than its own from which a browser should permit loading resources.
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme="yellow" badgeText='Read' href='https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS'>Cross-Origin Resource Sharing (CORS)</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=4KHiSt0oLJ0'>CORS in 100 Seconds</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=PNtFSVU-YTI'>CORS in 6 minutes</BadgeLink>