diff --git a/src/models/Group.ts b/src/models/Group.ts
index d3ca4fa..7442397 100644
--- a/src/models/Group.ts
+++ b/src/models/Group.ts
@@ -1,4 +1,6 @@
-import {model, ObjectId, Schema, Types} from "mongoose";
+import {model, ObjectId, Schema} from "mongoose";
+import { fieldEncryption } from "mongoose-field-encryption";
+import process from "process";
 
 export interface IGroup {
     projectId: ObjectId,
@@ -9,7 +11,7 @@ export interface IGroup {
 
 const GroupSchema = new Schema<IGroup>({
     projectId: {
-        type: Types.ObjectId,
+        type: String,
         required: true
     },
     name: {
@@ -23,4 +25,10 @@ const GroupSchema = new Schema<IGroup>({
     permissions: [String]
 });
 
+GroupSchema.plugin(fieldEncryption, {
+    fields: ["projectId", "name", "description", "permissions"],
+    secret: process.env.ENC_KEY,
+    saltGenerator: () => process.env.SIG_KEY
+});
+
 export const Group = model<IGroup>("groups", GroupSchema);
\ No newline at end of file