The code designed to target industrial control systems joins the pantheon of dangerous malware that can cause cyber-physical harm.

Moscow's approach to incorporating cyberattacks into its ongoing assault reflects an "absence of strategy," said Victor Zhora.

Expect to see more attacks, Microsoft says.

Dragos says the group behind the tools has a "breadth of knowledge" that's "beyond" any previously witnessed.

Russian losses near Kyiv and a looming onslaught in eastern Ukraine may be a factor in the attack, a Ukrainian official said.