diff --git a/src/assets/images/pdfscreen.png b/src/assets/images/pdfscreen.png
index 81ff83b..24653f4 100644
Binary files a/src/assets/images/pdfscreen.png and b/src/assets/images/pdfscreen.png differ
diff --git a/src/data/useCase.jsx b/src/data/useCase.jsx
index 364991f..989035a 100644
--- a/src/data/useCase.jsx
+++ b/src/data/useCase.jsx
@@ -356,27 +356,27 @@ export const IdentitySecurityContent = [
     documents: [
       {
         id: 1,
-        title: "How Can I Build on Rubix?",
+        title: "Cybersecurity",
         link: secuirty1,
-        name: `Rubix_powered_privacy_preserving_retail_CBDC_solution.pdf`,
+        name: `Cybersecurity`,
       },
       {
         id: 2,
-        title: "How Can I Build on Rubix?",
+        title: "Rubix DID Powering Secure Enterprise messaging",
         link: secuirty2,
-        name: `Rubix_powered_privacy_preserving_retail_CBDC_solution.pdf`,
+        name: `Rubix_DID-Powering_Secure_Enterprise_messaging`,
       },
       {
         id: 3,
-        title: "How Can I Build on Rubix?",
+        title: "Rubix VC Framework Ver1",
         link: secuirty3,
-        name: `Rubix_powered_privacy_preserving_retail_CBDC_solution.pdf`,
+        name: `Rubix_VC_Framework_Ver1`,
       },
       {
         id: 4,
-        title: "How Can I Build on Rubix?",
+        title: "UNIFID",
         link: secuirty4,
-        name: `Rubix_powered_privacy_preserving_retail_CBDC_solution.pdf`,
+        name: `UNIFID.pdf`,
       },
     ],
   },