Washington

FOR the last two months, senior government officials and private-sector experts have paraded before Congress and described in alarming terms a silent threat: cyberattacks carried out by foreign governments. Robert S. Mueller III, the director of the F.B.I., said cyberattacks would soon replace terrorism as the agency’s No. 1 concern as foreign hackers, particularly from China, penetrate American firms’ computers and steal huge amounts of valuable data and intellectual property.

It’s not hard to imagine what happens when an American company pays for research and a Chinese firm gets the results free; it destroys our competitive edge. Shawn Henry, who retired last Friday as the executive assistant director of the F.B.I. (and its lead agent on cybercrime), told Congress last week of an American company that had all of its data from a 10-year, $1 billion research program copied by hackers in one night. Gen. Keith B. Alexander, head of the military’s Cyber Command, called the continuing, rampant cybertheft “the greatest transfer of wealth in history.”

Yet the same Congress that has heard all of this disturbing testimony is mired in disagreements about a proposed cybersecurity bill that does little to address the problem of Chinese cyberespionage. The bill, which would establish noncompulsory industry cybersecurity standards, is bogged down in ideological disputes. Senator John McCain, who dismissed it as a form of unnecessary regulation, has proposed an alternative bill that fails to address the inadequate cyberdefenses of companies running the nation’s critical infrastructure. Since Congress appears unable and unwilling to address the threat, the executive branch must do something to stop it.

In the past, F.B.I. agents parked outside banks they thought were likely to be robbed and then grabbed the robbers and the loot as they left. Catching the robbers in cyberspace is not as easy, but snatching the loot is possible.