diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c
index fa835d5659825b9f8c3c40b5b3e917ffa475b6e8..18d37b3765f3be85d1b6b8e4fc0acdb96af66f5f 100644
--- a/drivers/hid/hid-logitech-dj.c
+++ b/drivers/hid/hid-logitech-dj.c
@@ -100,6 +100,7 @@
 #define HIDPP_DEVICE_TYPE_MASK			GENMASK(3, 0)
 #define HIDPP_LINK_STATUS_MASK			BIT(6)
 #define HIDPP_MANUFACTURER_MASK			BIT(7)
+#define HIDPP_27MHZ_SECURE_MASK			BIT(7)
 
 #define HIDPP_DEVICE_TYPE_KEYBOARD		1
 #define HIDPP_DEVICE_TYPE_MOUSE			2
@@ -984,6 +985,13 @@ static void logi_hidpp_dev_conn_notif_27mhz(struct hid_device *hdev,
 		workitem->reports_supported |= STD_MOUSE | HIDPP;
 		break;
 	case 3: /* Index 3 is always the keyboard */
+		if (hidpp_report->params[HIDPP_PARAM_DEVICE_INFO] & HIDPP_27MHZ_SECURE_MASK) {
+			hid_info(hdev, "Keyboard connection is encrypted\n");
+		} else {
+			hid_warn(hdev, "Keyboard events are send over the air in plain-text / unencrypted\n");
+			hid_warn(hdev, "See: https://gitlab.freedesktop.org/jwrdegoede/logitech-27mhz-keyboard-encryption-setup/\n");
+		}
+		fallthrough;
 	case 4: /* Index 4 is used for an optional separate numpad */
 		workitem->device_type = HIDPP_DEVICE_TYPE_KEYBOARD;
 		workitem->reports_supported |= STD_KEYBOARD | MULTIMEDIA |
diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c
index d598094dadd0c52db909bbd44b2097ad53207bab..69670ca7e1e1eecdb6e95764f4684781100c7212 100644
--- a/drivers/hid/hid-logitech-hidpp.c
+++ b/drivers/hid/hid-logitech-hidpp.c
@@ -56,6 +56,8 @@ MODULE_PARM_DESC(disable_tap_to_click,
 #define HIDPP_SUB_ID_CONSUMER_VENDOR_KEYS	0x03
 #define HIDPP_SUB_ID_ROLLER			0x05
 #define HIDPP_SUB_ID_MOUSE_EXTRA_BTNS		0x06
+#define HIDPP_SUB_ID_USER_IFACE_EVENT		0x08
+#define HIDPP_USER_IFACE_EVENT_ENCRYPTION_KEY_LOST	BIT(5)
 
 #define HIDPP_QUIRK_CLASS_WTP			BIT(0)
 #define HIDPP_QUIRK_CLASS_M560			BIT(1)
@@ -3528,6 +3530,16 @@ static int hidpp_raw_hidpp_event(struct hidpp_device *hidpp, u8 *data,
 		return 1;
 	}
 
+	if (hidpp->hid_dev->group == HID_GROUP_LOGITECH_27MHZ_DEVICE &&
+	    data[0] == REPORT_ID_HIDPP_SHORT &&
+	    data[2] == HIDPP_SUB_ID_USER_IFACE_EVENT &&
+	    (data[3] & HIDPP_USER_IFACE_EVENT_ENCRYPTION_KEY_LOST)) {
+		dev_err_ratelimited(&hidpp->hid_dev->dev,
+			"Error the keyboard's wireless encryption key has been lost, your keyboard will not work unless you re-configure encryption.\n");
+		dev_err_ratelimited(&hidpp->hid_dev->dev,
+			"See: https://gitlab.freedesktop.org/jwrdegoede/logitech-27mhz-keyboard-encryption-setup/\n");
+	}
+
 	if (hidpp->capabilities & HIDPP_CAPABILITY_HIDPP20_BATTERY) {
 		ret = hidpp20_battery_event_1000(hidpp, data, size);
 		if (ret != 0)