Amazon has warned that russian hackers, reportedly from the GRU, are targeting western firms, particularly those in the energy sector and critical infrastructure, by exploiting edge devices. The hacking campaign is described as sustained and has been ongoing for years, with the hackers allegedly shifting their tactics and favoring misconfigurations in their attacks. The scope and details of the campaign are still emerging, with some reports indicating a five-year duration and a broad focus on western critical infrastructure.