diff --git a/app/routes/contributions.js b/app/routes/contributions.js
index 7f68170b94..be952a5fed 100644
--- a/app/routes/contributions.js
+++ b/app/routes/contributions.js
@@ -27,11 +27,10 @@ function ContributionsHandler(db) {
 
     this.handleContributionsUpdate = (req, res, next) => {
 
-        /*jslint evil: true */
-        // Insecure use of eval() to parse inputs
-        const preTax = eval(req.body.preTax);
-        const afterTax = eval(req.body.afterTax);
-        const roth = eval(req.body.roth);
+        // Secure parsing of numeric inputs
+        const preTax = parseFloat(req.body.preTax) || 0;
+        const afterTax = parseFloat(req.body.afterTax) || 0;
+        const roth = parseFloat(req.body.roth) || 0;
 
         /*
         //Fix for A1 -1 SSJS Injection attacks - uses alternate method to eval
diff --git a/app/routes/index.js b/app/routes/index.js
index a9e55426bf..a74b3ae538 100644
--- a/app/routes/index.js
+++ b/app/routes/index.js
@@ -68,8 +68,21 @@ const index = (app, db) => {
 
     // Handle redirect for learning resources link
     app.get("/learn", isLoggedIn, (req, res) => {
-        // Insecure way to handle redirects by taking redirect url from query string
-        return res.redirect(req.query.url);
+        // Secure way to handle redirects with URL validation
+        const allowedUrls = [
+            '/dashboard',
+            '/profile',
+            '/courses',
+            '/tutorials'
+        ];
+        
+        const redirectUrl = req.query.url;
+        
+        if (!redirectUrl || !allowedUrls.includes(redirectUrl)) {
+            return res.redirect('/dashboard'); // Default safe redirect
+        }
+        
+        return res.redirect(redirectUrl);
     });
 
     // Research Page
diff --git a/app/views/benefits.html b/app/views/benefits.html
index 40e9b45bee..35808d34d4 100644
--- a/app/views/benefits.html
+++ b/app/views/benefits.html
@@ -52,6 +52,7 @@
                         <td>{{user.lastName}}</td>
                         <td>
                             <form method="POST" action="/benefits">
+                                {% csrf_token %}
                                 <div class="input-group">
                                     <input type="hidden" name="userId" value="{{user._id.toString()}}"></input>
                                     <input type="date" class="form-control" name="benefitStartDate" value="{{user.benefitStartDate}}"></input>
diff --git a/app/views/tutorial/a2.html b/app/views/tutorial/a2.html
index 9202d86493..25da896dcb 100644
--- a/app/views/tutorial/a2.html
+++ b/app/views/tutorial/a2.html
@@ -204,7 +204,7 @@ <h3 class="panel-title">Further Reading</h3>
                     <div class="panel-body">
                         <ul>
                             <li><a href="https://npmjs.org/package/helmet">Helmet</a> Security header middleware collection for express</li>
-                            <li><a href="http://recxltd.blogspot.sg/2012/03/seven-web-server-http-headers-that.html">Seven Web Server HTTP Headers that Improve Web Application Security for Free</a>
+                            <li><a href="https://recxltd.blogspot.sg/2012/03/seven-web-server-http-headers-that.html">Seven Web Server HTTP Headers that Improve Web Application Security for Free</a>
                             </li>
                             <li><a href="http://passportjs.org/guide/authenticate/">Passport</a> authentication middleware</li>
                             <li><a href="http://en.wikipedia.org/wiki/Session_fixation">CWE-384: Session Fixation</a>
diff --git a/docker-compose.yml b/docker-compose.yml
index 49fb28f813..4c99469d4a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -13,5 +13,15 @@ services:
   mongo:
     image: mongo:4.4
     user: mongodb
+    read_only: true
+    tmpfs:
+      - /tmp
+    volumes:
+      - mongo_data:/data/db
+
+volumes:
+  mongo_data:
+    security_opt:
+      - no-new-privileges:true
     expose:
       - 27017
diff --git a/package.json b/package.json
index b2eb65a041..82f4fcd2f4 100644
--- a/package.json
+++ b/package.json
@@ -6,21 +6,21 @@
   "main": "server.js",
   "dependencies": {
     "bcrypt-nodejs": "0.0.3",
-    "body-parser": "^1.15.1",
+    "body-parser": "^1.20.3",
     "consolidate": "^0.14.1",
     "csurf": "^1.8.3",
     "dont-sniff-mimetype": "^1.0.0",
-    "express": "^4.13.4",
+    "express": "^4.19.2",
     "express-session": "^1.13.0",
     "forever": "^2.0.0",
     "helmet": "^2.0.0",
-    "marked": "0.3.5",
-    "mongodb": "^2.1.18",
+    "marked": "4.0.10",
+    "mongodb": "^3.1.13",
     "needle": "2.2.4",
     "node-esapi": "0.0.1",
     "serve-favicon": "^2.3.0",
-    "swig": "^1.4.2",
-    "underscore": "^1.8.3"
+    "swig": "^2.0.5",
+    "underscore": "^1.12.1"
   },
   "comments": {
     "//": "a9 insecure components"
@@ -42,7 +42,7 @@
     "async": "^2.0.0-rc.4",
     "cross-env": "^7.0.2",
     "cypress": "^3.3.1",
-    "grunt": "^1.0.3",
+    "grunt": "^1.3.0",
     "grunt-cli": "^1.2.0",
     "grunt-concurrent": "^2.3.0",
     "grunt-contrib-jshint": "^3.0.0",
diff --git a/server.js b/server.js
index d6bb500a2d..ea93cef1be 100644
--- a/server.js
+++ b/server.js
@@ -12,7 +12,12 @@ const MongoClient = require("mongodb").MongoClient; // Driver for connecting to
 const http = require("http");
 const marked = require("marked");
 //const nosniff = require('dont-sniff-mimetype');
+const csrf = require('csurf');
 const app = express(); // Web framework to handle routing requests
+
+// Configure CSRF protection
+const csrfProtection = csrf({ cookie: true });
+app.use(csrfProtection);
 const routes = require("./app/routes");
 const { port, db, cookieSecret } = require("./config/config"); // Application config properties
 /*