Originally published on December 28, 2020 12:55 am President-elect Joe Biden's promise of a firm response to the latest hacking attack attributed to Russia signals a much tougher assessment of Vladimir Putin than President Trump's deferential attitude. Copyright 2021 NPR. To see more, visit https://www.npr.org. SACHA PFEIFFER, HOST: Cybersecurity experts say it could take years to figure out how much damage was caused by the latest hack attributed to Russia. This adds to an already long list of problems between Washington and Moscow, problems that President-elect Biden will soon inherit. Here's NPR's Michele Kelemen with a look at the options for the incoming administration.