6 sources · first reported Yesterday

A Russian state-backed hacking group targeted US nuclear scientists, defense contractors, and government employees after testing cyber techniques in Ukraine. The group's activities were revealed in a joint Western intelligence warning.
The hacking group's actions pose a significant threat to US national security and demonstrate the evolving nature of cyber warfare. The use of Ukraine as a test ground highlights the importance of international cooperation in combating cyber threats.
How this story unfolded across sources, oldest first.