diff --git a/Server-Side Components/Business Rules/Mask Sensitive Data in Descript/MaskData.js b/Server-Side Components/Business Rules/Mask Sensitive Data in Descript/MaskData.js
new file mode 100644
index 0000000000..8a033efad5
--- /dev/null
+++ b/Server-Side Components/Business Rules/Mask Sensitive Data in Descript/MaskData.js	
@@ -0,0 +1,49 @@
+(function executeRule(current, previous /*null when async*/) {
+
+   
+
+    // Only run if description has a value
+    if (current.description) {
+        var desc = current.description.toString();
+      
+
+        // Regex patterns for sensitive data
+        var ccRegex = /\b\d{13,16}\b/g;                     // 13–16 continuous digits
+        var ccSpaced = /\b(\d{4}[- ]?){3}\d{4}\b/g;         // 4-4-4-4 with spaces/dashes
+        var ssnRegex = /\b\d{3}-\d{2}-\d{4}\b/g;            // US SSN
+        var phoneRegex = /(\+?\d{1,2}[- ]?)?\(?\d{3}\)?[- ]?\d{3}[- ]?\d{4}/g; // phone
+
+        var masked = desc;
+
+        // Apply masking with messages
+        if (ccRegex.test(desc)) {
+            gs.addInfoMessage("Credit card pattern found → masking");
+            masked = masked.replace(ccRegex, "****-****-****-****");
+        }
+
+        if (ccSpaced.test(desc)) {
+            gs.addInfoMessage("Spaced/dashed credit card pattern found → masking");
+            masked = masked.replace(ccSpaced, "****-****-****-****");
+        }
+
+        if (ssnRegex.test(desc)) {
+            gs.addInfoMessage("SSN pattern found → masking");
+            masked = masked.replace(ssnRegex, "***-**-****");
+        }
+
+        if (phoneRegex.test(desc)) {
+            gs.addInfoMessage("Phone number pattern found → masking");
+            masked = masked.replace(phoneRegex, "**********");
+        }
+
+        // If changes were made, update the description
+        if (masked !== desc) {
+            current.description = masked;
+            gs.addInfoMessage("Final masked description: " + masked);
+            gs.log("Masking rule triggered on record: " + current.number, "MaskingRule");
+        } else {
+            gs.addInfoMessage("No sensitive data detected, nothing masked.");
+        }
+    }
+
+})(current, previous);
diff --git a/Server-Side Components/Business Rules/Mask Sensitive Data in Descript/readme.md b/Server-Side Components/Business Rules/Mask Sensitive Data in Descript/readme.md
new file mode 100644
index 0000000000..ca7980d192
--- /dev/null
+++ b/Server-Side Components/Business Rules/Mask Sensitive Data in Descript/readme.md	
@@ -0,0 +1,5 @@
+Automatically replaces sensitive patterns (like credit card numbers) with masked text
+<img width="1607" height="501" alt="image" src="https://github.com/user-attachments/assets/94b9b9a4-59e0-4319-a36d-bb40c8124c1d" />
+
+maked details
+<img width="1392" height="473" alt="image" src="https://github.com/user-attachments/assets/e79cf7f9-b08d-4107-b28c-bbfa79dccb84" />
diff --git a/Server-Side Components/Business Rules/Mask Sensitive Data in Description b/Server-Side Components/Business Rules/Mask Sensitive Data in Description
new file mode 100644
index 0000000000..8b13789179
--- /dev/null
+++ b/Server-Side Components/Business Rules/Mask Sensitive Data in Description	
@@ -0,0 +1 @@
+
diff --git a/Server-Side Components/Business Rules/Readme.md b/Server-Side Components/Business Rules/Readme.md
new file mode 100644
index 0000000000..71a0f2c2a0
--- /dev/null
+++ b/Server-Side Components/Business Rules/Readme.md	
@@ -0,0 +1 @@
+Automatically replaces sensitive patterns (like credit card numbers) with masked text