diff --git a/app/store/ServicesList.js b/app/store/ServicesList.js
index a9fb0405..6c7dcc28 100644
--- a/app/store/ServicesList.js
+++ b/app/store/ServicesList.js
@@ -125,7 +125,7 @@ Ext.define('Rambox.store.ServicesList', {
 			,logo: 'inbox.png'
 			,name: 'Inbox'
 			,description: locale['services[10]']
-			,url: 'http://inbox.google.com/?cid=imp'
+			,url: 'https://inbox.google.com/?cid=imp'
 			,type: 'email'
 			,manual_notifications: true
 			,js_unread: 'function checkUnread(){updateBadge(document.getElementsByClassName("ss").length)}function updateBadge(a){a>=1?document.title="("+a+") "+originalTitle:document.title=originalTitle}var originalTitle=document.title;setInterval(checkUnread,3e3);'
@@ -877,7 +877,7 @@ Ext.define('Rambox.store.ServicesList', {
 			,logo: 'mailru.png'
 			,name: 'Mail.Ru'
 			,description: 'Free voice and video calls, ICQ support, Odnoklassniki, VKontakte, Facebook, online games, free SMS.'
-			,url: 'http://webagent.mail.ru/webim/agent/popup.html'
+			,url: 'https://webagent.mail.ru/webim/agent/popup.html'
 			,type: 'email'
 		},
 		{
diff --git a/app/ux/WebView.js b/app/ux/WebView.js
index 51af59cf..241947c7 100644
--- a/app/ux/WebView.js
+++ b/app/ux/WebView.js
@@ -174,7 +174,7 @@ Ext.define('Rambox.ux.WebView',{
 					,plugins: 'true'
 					,allowtransparency: 'on'
 					,autosize: 'on'
-					,webpreferences: 'allowRunningInsecureContent=yes' //,nativeWindowOpen=yes
+					,webpreferences: { contextIsolation:true } //,nativeWindowOpen=yes
 					//,disablewebsecurity: 'on' // Disabled because some services (Like Google Drive) dont work with this enabled
 					,useragent: Ext.getStore('ServicesList').getById(me.record.get('type')).get('userAgent')
 					,preload: './resources/js/rambox-service-api.js'
diff --git a/app/view/add/Add.js b/app/view/add/Add.js
index 9c9730cc..fee06298 100644
--- a/app/view/add/Add.js
+++ b/app/view/add/Add.js
@@ -65,7 +65,7 @@ Ext.define('Rambox.view.add.Add',{
 								,readOnly: me.edit ? (me.service.get('custom_domain') && me.service.get('url') === me.record.get('url') ? true : me.service.get('url').indexOf('___') === -1 && !me.service.get('custom_domain')) : me.record.get('url').indexOf('___') === -1 && me.record.get('custom_domain')
 								,allowBlank: false
 								,submitEmptyText: false
-								,emptyText: me.record.get('url') === '___' ? 'http://' : ''
+								,emptyText: me.record.get('url') === '___' ? 'https://' : ''
 								,vtype: me.record.get('url') === '___' ? 'url' : ''
 								,listeners: { specialkey: 'onEnter' }
 								,flex: 1
@@ -97,7 +97,7 @@ Ext.define('Rambox.view.add.Add',{
 								}
 								,changeHandler: function(cycleBtn, activeItem) {
 									Ext.apply(cycleBtn.previousSibling(), {
-										 emptyText: activeItem.custom ? 'http://' : ' '
+										 emptyText: activeItem.custom ? 'https://' : ' '
 										,vtype: activeItem.custom ? 'url' : ''
 									});
 									cycleBtn.previousSibling().applyEmptyText();
@@ -127,7 +127,7 @@ Ext.define('Rambox.view.add.Add',{
 					,{
 						 xtype: 'textfield'
 						,fieldLabel: locale['app.window[18]']
-						,emptyText: 'http://url.com/image.png'
+						,emptyText: 'https://url.com/image.png'
 						,name: 'logo'
 						,vtype: me.record.get('type') === 'custom' ? 'url' : ''
 						,value: me.record.get('type') === 'custom' ? (me.edit ? me.record.get('logo') : '') : me.record.get('logo')
diff --git a/app/view/main/Main.js b/app/view/main/Main.js
index 34d9d1c3..7d4e323f 100644
--- a/app/view/main/Main.js
+++ b/app/view/main/Main.js
@@ -313,7 +313,7 @@ Ext.define('Rambox.view.main.Main', {
 						 text: locale['app.main[22]']
 						,icon: 'resources/auth0.png'
 						,id: 'loginBtn'
-						,tooltip: locale['app.main[23]']+'<br /><br /><i>'+locale['app.main[24]']+' Auth0 (http://auth0.com)</i>'
+						,tooltip: locale['app.main[23]']+'<br /><br /><i>'+locale['app.main[24]']+' Auth0 (https://auth0.com)</i>'
 						,bind: {
 							hidden: '{username}'
 						}
diff --git a/electron/main.js b/electron/main.js
index d1d1620c..fe4c3317 100644
--- a/electron/main.js
+++ b/electron/main.js
@@ -156,8 +156,7 @@ function createWindow () {
 		,show: !config.get('start_minimized')
 		,acceptFirstMouse: true
 		,webPreferences: {
-			 webSecurity: false
-			,nodeIntegration: true
+			nodeIntegration: true
 			,plugins: true
 			,partition: 'persist:rambox'
 		}
diff --git a/index.html b/index.html
index 1e96df1c..e519e77f 100644
--- a/index.html
+++ b/index.html
@@ -29,6 +29,10 @@
 				}
 			}
 		}
+
+		window.eval = global.eval = function () {
+  			throw new Error(`Sorry, this app does not support window.eval().`)
+		}
 	</script>
 
 	<!-- The line below must be kept intact for Sencha Cmd to build your application -->
diff --git a/resources/js/loadscreen.js b/resources/js/loadscreen.js
index 049d2675..43a9e03e 100644
--- a/resources/js/loadscreen.js
+++ b/resources/js/loadscreen.js
@@ -1,6 +1,6 @@
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 /**
  * main.js