diff --git a/lib/index.js b/lib/index.js
index cd5219e..f6521f4 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -6,6 +6,8 @@ var Sequelize = require('sequelize')
 init = function(target) {
   if (target.prototype instanceof Sequelize.Model) {
     var $get = target.prototype.get;
+    var $set = target.prototype.set;
+    var $_initValues = target.prototype._initValues;
 
     Object.keys(target.rawAttributes).forEach(function (attr) {
       if (target.rawAttributes[attr].roles !== undefined) {
@@ -72,6 +74,39 @@ init = function(target) {
 
       return response;
     };
+
+    target.prototype.set = function(key, value, options) {
+      options = options || {};
+
+      if (typeof key === 'object' && key !== null) {
+        return $set.call(this, key, value, options);
+      }
+      else {
+        var attr = target.rawAttributes[key];
+        if (options.raw || !attr || !attr.roles || attr.roles && attr.roles[options.role] && attr.roles[options.role].set) {
+          return $set.call(this, key, value, options);
+        }
+
+        return target;
+      }
+    };
+
+    // Extend _initValues to ensure the default values are set.
+    target.prototype._initValues = function(values, options) {
+      var filtered = {};
+      values = values || {};
+      options = options || {};
+
+      Object.keys(values).forEach(function (key) {
+        var attr = target.rawAttributes[key];
+        var val = values[key];
+        if (options.raw || !attr || !attr.roles || attr.roles && attr.roles[options.role] && attr.roles[options.role].set) {
+          filtered[key] = val;
+        }
+      });
+
+      return $_initValues.call(this, filtered, options);
+    };
   } else {
     target.afterDefine(function (Model) {
       init(Model);
diff --git a/test/get.test.js b/test/get.test.js
index 80e2254..9d83694 100644
--- a/test/get.test.js
+++ b/test/get.test.js
@@ -58,7 +58,7 @@ describe('get', function () {
       attr1: Math.random().toString(),
       attr2: Math.random().toString(),
       attr3: Math.random().toString()
-    });
+    }, { raw: true });
 
     values = instance.get();
 
@@ -73,7 +73,7 @@ describe('get', function () {
     expect(values.attr3).not.to.be.ok();
 
     values = instance.get({raw: true});
-    
+
     expect(values.attr1).to.be.ok();
     expect(values.attr2).to.be.ok();
     expect(values.attr3).to.be.ok();
@@ -121,7 +121,7 @@ describe('get', function () {
       attr1: Math.random().toString(),
       attr2: Math.random().toString(),
       attr3: Math.random().toString()
-    });
+    }, { raw: true });
 
     expect(instance.get('attr1', {role: 'rolea'})).to.be.ok();
     expect(instance.get('attr1', {role: 'roleb'})).not.to.be.ok();
@@ -188,6 +188,7 @@ describe('get', function () {
         name: Math.random().toString()
       }
     }, {
+      raw: true,
       role: 'system',
       include: [Company]
     });
@@ -241,4 +242,4 @@ describe('get', function () {
 
     expect(account.get('active', {role: 'admin'})).to.equal(true);
   });
-});
\ No newline at end of file
+});