diff --git a/content/roadmaps/100-frontend/content/106-web-security-knowledge/102-cors.md b/content/roadmaps/100-frontend/content/106-web-security-knowledge/102-cors.md
index 7b9050194..1fc8e60d4 100644
--- a/content/roadmaps/100-frontend/content/106-web-security-knowledge/102-cors.md
+++ b/content/roadmaps/100-frontend/content/106-web-security-knowledge/102-cors.md
@@ -1 +1,6 @@
-# Cors
\ No newline at end of file
+# 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 badgeText='Read' colorScheme="yellow" href='https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS'>CORS — Cross-Origin Resource Sharing</BadgeLink>
diff --git a/content/roadmaps/100-frontend/content/106-web-security-knowledge/103-owasp-security-risks.md b/content/roadmaps/100-frontend/content/106-web-security-knowledge/103-owasp-security-risks.md
index ee5efce09..e43f263ce 100644
--- a/content/roadmaps/100-frontend/content/106-web-security-knowledge/103-owasp-security-risks.md
+++ b/content/roadmaps/100-frontend/content/106-web-security-knowledge/103-owasp-security-risks.md
@@ -1 +1,9 @@
-# Owasp security risks
\ No newline at end of file
+# OWASP Security Risks
+
+OWASP or Open Web Application Security Project is an online community that produces freely-available articles, methodologies, documentation, tools, and technologies in the field of web application security.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://en.wikipedia.org/wiki/OWASP'>Wikipedia - OWASP</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://github.com/0xRadi/OWASP-Web-Checklist'>OWASP Web Application Security Testing Checklist</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://sucuri.net/guides/owasp-top-10-security-vulnerabilities-2021/'>OWASP Top 10 Security Risks</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://cheatsheetseries.owasp.org/cheatsheets/AJAX_Security_Cheat_Sheet.html'>OWASP Cheatsheets</BadgeLink>
diff --git a/content/roadmaps/100-frontend/content/106-web-security-knowledge/readme.md b/content/roadmaps/100-frontend/content/106-web-security-knowledge/readme.md
index cd5ae648f..bee608013 100644
--- a/content/roadmaps/100-frontend/content/106-web-security-knowledge/readme.md
+++ b/content/roadmaps/100-frontend/content/106-web-security-knowledge/readme.md
@@ -7,4 +7,5 @@ Web security refers to the protective measures taken by the developers to protec
 <BadgeLink badgeText='Read' colorScheme="yellow" href='https://en.wikipedia.org/wiki/OWASP'>Wikipedia - OWASP</BadgeLink>
 <BadgeLink badgeText='Read' colorScheme="yellow" href='https://github.com/0xRadi/OWASP-Web-Checklist'>OWASP Web Application Security Testing Checklist</BadgeLink>
 <BadgeLink badgeText='Read' colorScheme="yellow" href='https://sucuri.net/guides/owasp-top-10-security-vulnerabilities-2021/'>OWASP Top 10 Security Risks</BadgeLink>
+<BadgeLink badgeText='Read' colorScheme="yellow" href='https://cheatsheetseries.owasp.org/cheatsheets/AJAX_Security_Cheat_Sheet.html'>OWASP Cheatsheets</BadgeLink>
 <BadgeLink badgeText='Read' colorScheme="yellow" href='https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP'>Content Security Policy (CSP)</BadgeLink>