TY - JOUR AU - Limonova, Viktoriya AU - Brandao, Pedro Ramos PY - 2021 TI - Defense Methodologies against Advanced Persistent Threats JF - American Journal of Applied Sciences VL - 18 IS - 1 DO - 10.3844/ajassp.2021.207.212 UR - https://thescipub.com/abstract/ajassp.2021.207.212 AB - Advanced Persistent Threats (APTs) are complex and sophisticated attacks. Their main aim is to obtain unauthorized access to financial and corporate data. As such, it is essential to devise and improve monitoring and defense strategies. This study is intended to analyze various defense methodologies proposed by numerous experts to find a possible solution.