These Recent Hacks Look Really Bad. How Should America Respond?

In the wake of a massive, potentially catastrophic hack that is reportedly affecting numerous federal agencies and large US corporations (the scope of the intrusion is not yet fully known), a growing number of government officials, including President-Elect Joe Biden, are calling for an aggressive response.

But what that should be is up for debate. Experts in the information security field are characterizing the deep penetration of important computer networks as acts of espionage—early signs point to Russia—but some politicians are casting the hacks in much starker terms. Sen....