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In modern secure Wireless Sensor Networks (WSN), the sensor-nodes need extra energy owing to secure transmission ofperceived information. So the energy-utilization of sensor-node should calculate while transfer the sensed-attributes securelyto network. In this experimentation, we are proposing a revised Low Energy Adaptive Clustering Hierarchy (LEACH)protocol as LEATCH along secure information transmission (privacy and node authentication) in various levels using Qualityof Protection Modeling Language (QoPML), which balance the Security-Energy trade-offs. This research experimentallyanalyzes the impact of data privacy, authentication operations on energy-utilization at sensor-node level while applying aLEACH & LEATCH. The obtained outcomes indicate the optimized LEATCH is outperforming correlated to the basic Leachwith respect to minimal energy-utilization, time efficiency and expands life-time of modern-secure-WSNs.