Hybrid warfare means broadening military operations ... Many Russian embassies and consulates are reported to be equipped with state-of-the-art communications and espionage technology.

But what exactly is a “hybrid war,” and what should the West do about it? Coinage of the term “hybrid war” is sometimes credited to retired Marine Lt. Col. Frank Hoffman, in 2007 ...

Hybrid warfare refers to a range of activities stopping short of open fighting, like cyberattacks, information campaigns or the targeting of vulnerable infrastructure, such as undersea cables.