A key oversight panel in the House of Representatives said this week that it is re-opening an investigation into the “indavertent sharing” of sensitive government and consumer data through popular peer-to-peer file swapping programs such as BearShare and Limewire. The inquiry from the House Committee on Oversight and Government Reform comes just weeks after revelations that blueprints for Marine One — President Barack Obama’s helicopter — were being traded on P2P networks. Committee Chairman Edolphus Towns (D-N.Y.) and ranking Republican Darrell E. Issa (Calif.) sent a letter (PDF) to Attorney General Eric Holder, asking the Justice Department to detail what it is doing to protect Americans from the dangers of data breaches via P2P networks. The committee also asked (PDF) Federal Trade Commission Chairman Jonathan Leibowitz what his agency was doing to investigate P2P networks, and whether the makers of P2P software were adequately disclosing to consumers the risks associated