Protect characteristic value from modification while it is being read by a clienthttps://devzone.nordicsemi.com/f/nordic-q-a/45885/protect-characteristic-value-from-modification-while-it-is-being-read-by-a-clientWhat is the recommended way to protect characteristic value from modification while it is being read by a client? I have a test application with 500-byte long characteristic value. The application updates it every 20 seconds. On the other end of theen-USTelligent Community 13Tue, 09 Apr 2019 07:12:43 GMTRE: Protect characteristic value from modification while it is being read by a clienthttps://devzone.nordicsemi.com/thread/180914?ContentTypeID=1Tue, 09 Apr 2019 07:12:43 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b1765fda-dfda-4dbb-99af-11189677e70aJared<p>Hi,</p> <p>GATT write request with authorization can be used to only allow write to characterization to be performed if the application authorities it. See <a href="https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.s132.api.v6.1.0/group___b_l_e___g_a_t_t_s___w_r_i_t_e___r_e_q___a_u_t_h___m_s_c.html?cp=2_3_1_1_0_2_4_3_21">this sequence chart</a>.</p> <p>Jared</p><div style="clear:both;"></div>