diff --git a/kded/secretagent.cpp b/kded/secretagent.cpp
--- a/kded/secretagent.cpp
+++ b/kded/secretagent.cpp
@@ -25,6 +25,8 @@
 
 #include "debug.h"
 
+#include "configuration.h"
+
 #include <NetworkManagerQt/Settings>
 #include <NetworkManagerQt/ConnectionSettings>
 #include <NetworkManagerQt/GenericTypes>
@@ -404,7 +406,10 @@
         }
     }
 
-    if (requestNew || (allowInteraction && !setting->needSecrets(requestNew).isEmpty()) || (allowInteraction && userRequested) || (isVpn && allowInteraction)) {
+    if (!Configuration::showPasswordDialog()) {
+        sendError(SecretAgent::NoSecrets, "Cannot authenticate", request.message);
+        return true;
+    } else if (requestNew || (allowInteraction && !setting->needSecrets(requestNew).isEmpty()) || (allowInteraction && userRequested) || (isVpn && allowInteraction)) {
         m_dialog = new PasswordDialog(connectionSettings, request.flags, request.setting_name);
         connect(m_dialog, &PasswordDialog::accepted, this, &SecretAgent::dialogAccepted);
         connect(m_dialog, &PasswordDialog::rejected, this, &SecretAgent::dialogRejected);
diff --git a/libs/configuration.h b/libs/configuration.h
--- a/libs/configuration.h
+++ b/libs/configuration.h
@@ -29,13 +29,17 @@
 {
     Q_PROPERTY(bool unlockModemOnDetection READ unlockModemOnDetection WRITE setUnlockModemOnDetection)
     Q_PROPERTY(bool manageVirtualConnections READ manageVirtualConnections WRITE setManageVirtualConnections)
+    //Readonly constant property, as this value should only be set by the platform
+    Q_PROPERTY(bool showPasswordDialog READ showPasswordDialog CONSTANT)
     Q_OBJECT
 public:
     static bool unlockModemOnDetection();
     static void setUnlockModemOnDetection(bool unlock);
 
     static bool manageVirtualConnections();
     static void setManageVirtualConnections(bool manage);
+
+    static bool showPasswordDialog();
 };
 
 #endif // PLAMA_NM_CONFIGURATION_H
diff --git a/libs/configuration.cpp b/libs/configuration.cpp
--- a/libs/configuration.cpp
+++ b/libs/configuration.cpp
@@ -66,3 +66,16 @@
         grp.writeEntry(QLatin1String("ManageVirtualConnections"), manage);
     }
 }
+
+bool Configuration::showPasswordDialog()
+{
+    KSharedConfigPtr config = KSharedConfig::openConfig(QLatin1String("plasma-nm"));
+    KConfigGroup grp(config, QLatin1String("General"));
+
+    if (grp.isValid()) {
+        return grp.readEntry(QLatin1String("ShowPasswordDialog"), true);
+    }
+
+    return true;
+}
+