Documents linked to notorious Russian hacking group Sandworm

https://www.theguardian.com/technology/2023/mar/30/vulkan-files-leak-reveals-putins-global-and-domestic-cyberwarfare-tactics

Contracts Identify Cyber Operations Projects from Russian Company NTC Vulkan

https://www.mandiant.com/resources/blog/cyber-operations-russian-vulkan

https://www.trendmicro.com/en_us/research/22/c/cyclops-blink-sets-sights-on-asus-routers--.html

https://www.cisa.gov/uscert/ncas/alerts/aa22-054a