For its first year in office, the Trump administration seemed soft on Russia's hyper-aggressive hackers, reluctant even to point out they'd brazenly meddled in the US election. Then, just two months ago, the White House suddenly came out swinging, calling out Russia for its massively disruptive NotPetya malware and intrusions into the US power grid, and imposing new sanctions in response.

Get in-depth coverage of current and future trends in technology, and how they are shaping business, entertainment, communications, science, politics, and society.