John Demers equated such an ask to a waste of time.

Demers' position is one of the most powerful cyber-related perches in the U.S. government.

If confirmed, Olsen will lead a unit focused on stopping espionage and, increasingly, on mitigating cyberattacks.

The Biden administration is still studying how future spying operations might emulate what the SVR allegedly did.

Meanwhile, some 1,000 researchers affiliated with the Chinese military have left the U.S., according to another official.

It's just the second time the EU has used its cyber sanctions powers.