diff --git a/static/_headers b/static/_headers
index b79e02d..0e42398 100644
--- a/static/_headers
+++ b/static/_headers
@@ -1,6 +1,6 @@
 /*
   Strict-Transport-Security : max-age=63072000; includeSubDomains; preload
-  Content-Security-Policy : default-src 'none'; connect-src 'self'; img-src 'self'; script-src 'self'; style-src 'self'; frame-src https://www.youtube-nocookie.com https://www.google.com; form-action 'none'; frame-ancestors 'none'; block-all-mixed-content; base-uri 'none'
+  Content-Security-Policy : default-src 'none'; connect-src 'self'; img-src 'self'; script-src 'self'; style-src 'self'; form-action 'none'; frame-ancestors 'none'; block-all-mixed-content; base-uri 'none'
   X-Content-Type-Options : nosniff
   Referrer-Policy : no-referrer
   # Cross-Origin-Opener-Policy : same-origin
@@ -12,5 +12,17 @@
   Report-To: {"group":"default","max_age":31536000,"endpoints":[{"url":"https://tommytran732.report-uri.com/a/d/g"}],"include_subdomains":true}
   NEL: {"report_to":"default","max_age":31536000,"include_subdomains":true}
 
+/knowledge/multi-factor-authentication/
+  Content-Security-Policy : default-src 'none'; connect-src 'self'; img-src 'self'; script-src 'self'; style-src 'self'; frame-src https://www.youtube-nocookie.com https://www.google.com; form-action 'none'; frame-ancestors 'none'; block-all-mixed-content; base-uri 'none'
+  
+/os/android-tips/
+  Content-Security-Policy : default-src 'none'; connect-src 'self'; img-src 'self'; script-src 'self'; style-src 'self'; frame-src https://www.youtube-nocookie.com https://www.google.com; form-action 'none'; frame-ancestors 'none'; block-all-mixed-content; base-uri 'none'
+
+/os/choosing-your-android-based-operating-system/
+  Content-Security-Policy : default-src 'none'; connect-src 'self'; img-src 'self'; script-src 'self'; style-src 'self'; frame-src https://www.youtube-nocookie.com https://www.google.com; form-action 'none'; frame-ancestors 'none'; block-all-mixed-content; base-uri 'none'
+  
+/os/choosing-your-desktop-linux-distribution/
+  Content-Security-Policy : default-src 'none'; connect-src 'self'; img-src 'self'; script-src 'self'; style-src 'self'; frame-src https://www.youtube-nocookie.com https://www.google.com; form-action 'none'; frame-ancestors 'none'; block-all-mixed-content; base-uri 'none'
+
 /*.xml
   Content-Security-Policy : default-src 'none'; img-src 'self' data: https://www.w3.org/; style-src 'self' 'unsafe-inline'; block-all-mixed-content; base-uri 'none'