diff --git a/drivers/ieee802154/ieee802154_nrf5.c b/drivers/ieee802154/ieee802154_nrf5.c
index 39b4bac778..891a220e07 100644
--- a/drivers/ieee802154/ieee802154_nrf5.c
+++ b/drivers/ieee802154/ieee802154_nrf5.c
@@ -58,11 +58,6 @@ struct nrf5_802154_config {
 
 static struct nrf5_802154_data nrf5_data;
 
-#define ACK_REQUEST_BYTE 1
-#define ACK_REQUEST_BIT (1 << 5)
-#define FRAME_PENDING_BYTE 1
-#define FRAME_PENDING_BIT (1 << 4)
-
 #define DRX_SLOT_RX 0 /* Delayed reception window ID */
 
 #define NSEC_PER_TEN_SYMBOLS (10 * IEEE802154_PHY_OQPSK_780_TO_2450MHZ_SYMBOL_PERIOD_NS)
@@ -183,6 +178,10 @@ static void nrf5_rx_thread(void *arg1, void *arg2, void *arg3)
 		net_pkt_set_timestamp_ns(pkt, rx_frame->time * NSEC_PER_USEC);
 #endif
 
+#if defined(CONFIG_NET_L2_OPENTHREAD)
+		net_pkt_set_ieee802154_ack_seb(pkt, rx_frame->ack_seb);
+#endif
+
 		LOG_DBG("Caught a packet (%u) (LQI: %u)",
 			 pkt_len, rx_frame->lqi);
 
@@ -1031,13 +1030,10 @@ void nrf_802154_received_timestamp_raw(uint8_t *data, int8_t power, uint8_t lqi,
 			nrf_802154_timestamp_end_to_phr_convert(time, data[0]);
 #endif
 
-		if (data[ACK_REQUEST_BYTE] & ACK_REQUEST_BIT) {
-			nrf5_data.rx_frames[i].ack_fpb = nrf5_data.last_frame_ack_fpb;
-		} else {
-			nrf5_data.rx_frames[i].ack_fpb = false;
-		}
-
+		nrf5_data.rx_frames[i].ack_fpb = nrf5_data.last_frame_ack_fpb;
+		nrf5_data.rx_frames[i].ack_seb = nrf5_data.last_frame_ack_seb;
 		nrf5_data.last_frame_ack_fpb = false;
+		nrf5_data.last_frame_ack_seb = false;
 
 		k_fifo_put(&nrf5_data.rx_fifo, &nrf5_data.rx_frames[i]);
 
@@ -1097,6 +1093,8 @@ void nrf_802154_receive_failed(nrf_802154_rx_error_t error, uint32_t id)
 	}
 
 	nrf5_data.last_frame_ack_fpb = false;
+	nrf5_data.last_frame_ack_seb = false;
+
 	if (nrf5_data.event_handler) {
 		nrf5_data.event_handler(dev, IEEE802154_EVENT_RX_FAILED, (void *)&reason);
 	}
@@ -1104,8 +1102,8 @@ void nrf_802154_receive_failed(nrf_802154_rx_error_t error, uint32_t id)
 
 void nrf_802154_tx_ack_started(const uint8_t *data)
 {
-	nrf5_data.last_frame_ack_fpb =
-				data[FRAME_PENDING_BYTE] & FRAME_PENDING_BIT;
+	nrf5_data.last_frame_ack_fpb = data[FRAME_PENDING_OFFSET] & FRAME_PENDING_BIT;
+	nrf5_data.last_frame_ack_seb = data[SECURITY_ENABLED_OFFSET] & SECURITY_ENABLED_BIT;
 }
 
 void nrf_802154_transmitted_raw(uint8_t *frame,
diff --git a/drivers/ieee802154/ieee802154_nrf5.h b/drivers/ieee802154/ieee802154_nrf5.h
index 8188db46ad..9115fe0bda 100644
--- a/drivers/ieee802154/ieee802154_nrf5.h
+++ b/drivers/ieee802154/ieee802154_nrf5.h
@@ -19,6 +19,7 @@ struct nrf5_802154_rx_frame {
 	uint8_t lqi; /* Last received frame LQI value. */
 	int8_t rssi; /* Last received frame RSSI value. */
 	bool ack_fpb; /* FPB value in ACK sent for the received frame. */
+	bool ack_seb; /* SEB value in ACK sent for the received frame. */
 };
 
 struct nrf5_802154_data {
@@ -45,6 +46,9 @@ struct nrf5_802154_data {
 	/* Frame pending bit value in ACK sent for the last received frame. */
 	bool last_frame_ack_fpb;
 
+	/* Security Enabled bit value in ACK sent for the last received frame. */
+	bool last_frame_ack_seb;
+
 	/* CCA complete semaphore. Unlocked when CCA is complete. */
 	struct k_sem cca_wait;