A congressional committee on Tuesday will scrutinize the privacy and security risks posed by popular peer-to-peer file-sharing programs such as LimeWire, KaZaA and Morpheus.

The hearing by the House Oversight and Government Reform Committee, which is chaired by Rep. Henry Waxman, D-Calif., could reignite debate about the controversial practice of online file-sharing, which enables users to find files on each others’ computers and quickly swap the files.