According to a report by the Atesh partisan movement, an agent operating on a permanent basis within the Kaluga-based Instrument-making Plant Typhoon JSC systematically passed on confidential information.
It is known that the data was transmitted with complete anonymity via verified channels. The source remains at the company, his identity has not been disclosed, and he is not currently under threat.
Read more: russian Occupiers Dismantle Ukrainian Vessel in Sevastopol to Harvest Spare Parts

Information about the Bal-E coastal missile system has surfaced, including details about the configuration of the launcher and the internal communication circuits between the guidance modules and the computing center. The system has been partially modernized for the Kh-35UE missiles. Changes have also been noted in the system's protection against electronic warfare and its adaptation for deployment in non-standard conditions.
Descriptions of the tactical and technical characteristics of the latest modification of the Pozitiv-ME1.2 shipborne radar have also been obtained. These include its detection range, field of view, number of simultaneously tracked targets, digital signal processing schemes, methods for improving accuracy under electronic warfare conditions, and internal self-diagnostic algorithms.
The Defense Forces of Ukraine received documentation on prototype of uninterruptible power sources with a capacity of up to 1000 kW, developed for Navy facilities. According to the Atesh movement, failures were recorded during factory testing that were not mentioned in public reports. The failures concerned conversion units and cooling systems.

Work has begun on a maritime radio detection system with a modular architecture designed for surface platforms. The documents also mention participation in the development of an export variant of the radar, presented as a civilian navigation and weather system, but whose internal parameters suggest dual-use capabilities.
The JSC Typhoon is a key link in the russian federation's defense industry, responsible for the production and modernization of critical radars, control, and weapon systems. The materials obtained from the source have been forwarded to the relevant structures of the Armed Forces of Ukraine.
Earlier Defense Express reported that Ukrainian partisans had helped to destroy russian drone operator positions in Donetsk sector.
Read more: Ukrainian Partisans Scout Facility Upgrading russian Drones in St. Petersburg