Describing confidential documents outlining the scheme in 1995, the former MCI design engineer said, "The Project Invader memo describing the project said MCI wanted the traffic to ramp up slowly enough that Bell Atlantic would not notice it.
"We want to make sure this isn't simply a rabbit hole, but rather a pathway to achieving our objective," said a senior administration official, who like others requested anonymity to describe confidential deliberations.
Mr. Venizelos had been reluctant to do that before knowing the bailout would be approved; his European partners saw this as time-wasting, according to one official briefed on the talks but not authorized to describe confidential discussions.
Some found Mr. Korry's account difficult to believe, in part because he repeatedly refused to fully answer some of the lawmakers' questions, insisting that to describe confidential communications and orders would be contrary to "the entire moral contract" he lived by as a diplomat.
He concluded that the White House was also unlikely to overcome opposition to his candidacy from many of the same Democrats, who view him as an opponent of stronger financial regulation, according to supporters who insisted on anonymity to describe confidential conversations with him.
The complaint is based in part on claims from people described as confidential informants who had been charged with crimes and were now assisting the government.
On Tuesday, prosecutors described how confidential information moved "across a corrupt chain of people" and ultimately into the hands of Mr. Chiasson, 39, and Mr. Newman, 47.
Two News Corporation officials, who spoke on the condition of anonymity in return for discussing internal company matters that they described as confidential, said the board moves were "housekeeping" measures.
The hacker group, which calls itself the Lords of Dharmaraja, posted a file on Pastebin that it said described the confidential workings of Symantec's Norton Antivirus threat-detection product.
On the first day of Mr. Bout's trial in Federal District Court, the prosecutor, Brendan R. McGuire, described how confidential informers working for the Drug Enforcement Administration had lured Mr. Bout out of Moscow in an elaborate sting operation that touched several countries and ultimately led to his arrest in 2008 in Bangkok.
