The widespread use of UAVs in both the national and military spheres has made them the focus of industrial organizations. However, the use of drones has seriously affected the violation of the confidentiality of personal data, posed a threat to states, national institutions, nuclear power plants, historical sites. One of the methods to reduce this threat is to detect malicious drones. The paper analyzes the existing methods in the detection of harmful drones and proposes a new approach to their detection.