An inside look at Ukrainian efforts to repel Russian cyberattacks on critical infrastructure, as some worry that early success might be unwound over time (Mehul Srivastava/Financial Times)

Mehul Srivastava / Financial Times:
An inside look at Ukrainian efforts to repel Russian cyberattacks on critical infrastructure, as some worry that early success might be unwound over time  —  As Russian troops massed on the border on January 14, dozens of Ukrainian government websites were defaced with the words “be afraid and wait for the worst”.