The increasing penetration of photovoltaic (PV) systems into distribution grids may lead to significant voltage violations, highlighting the critical importance of Voltage/Var Control (VVC) methods. Simultaneously, with the deployment of Information and Communication Technology (ICT) in power grids, cyberattacks have emerged as a serious threat. However, existing VVC methods would be ineffective in the cases with cyberattacks considered. Therefore, this paper aims to propose a two-level VVC approach based on partition to address voltage violations under cyberattacks. In the hourly timescale (first level), a two-stage robust optimization model is developed to identify the most probable nodes susceptible to cyberattacks and to determine the optimal scheduling of capacitor banks (CBs) and on-load tap changers (OLTC). Furthermore, a partition method considering cyberattacks is proposed to enhance the system’s resilience against potential attacks. In the 15-min timescale (second level), inverters that interface with the renewable energy resources provide reactive power to supplement the first-level decision after real-time voltage deviation is observed. The good performance of the proposed method on reducing the shedding load while maintaining voltage stability in the face of cyberattacka is verified on the IEEE 33-bus distribution network.