Hackers have hacked into the High-Precision Systems and Technologies Research and Production Association, which is based in Izhevsk and produces missiles and small arms.
"We have at our disposal classified weapons documentation and information about employees and suppliers," the cyber group tweeted on the X network.
Workshop plans, information about personnel and financial documents of a Russian military-industrial enterprise were leaked. The leaked materials are available for download here.
The company produces high-precision projectiles and small arms. In 2016, the media reported that the company had been merged into the Kalashnikov Concern.