The Ministry of Digital Development has approved recommendations for the protection of data centers against drones, Kommersant writes in reference to the document. The new document provides for the division of critical data centers into three categories: K1 - strategic objects, the defeat of which could disrupt central functions of the government for a period of one hour; K2 - facilities that ensure the operation of economically or socially important systems at the regional and industrial level, the disruption of which can last from four hours; K3 - corporate data centers, damage to which will lead to significant losses for individual organizations without wide-ranging consequences for the state. Different categories of data centers have their own security criteria. It is proposed to build a defense on a multi-level principle, which combines physical fortification, electronic means and systems to prevent air threats.