An advanced persistent threat (APT) is a complicated, sustained cyberattack where an intruder establishes an undetected existence within a network in an effort to steal sensitive facts more than a prolonged time period. IT security, However, is restricted to guarding data together with other belongings only inside of a digital https://www.researchgate.net/publication/365308473_Development_of_Cyber_Attack_Model_for_Private_Network