The initial drama over Equifax's September data breach has mostly subsided, but the actual damage will play out for years. And indeed, there turns out to be plenty of spectacle and public controversy left. It was all on display at a Tuesday Congressional hearing, in which lawmakers questioned Equifax's former CEO Richard Smith in an attempt to make sense of how things went so wrong.

Get in-depth coverage of current and future trends in technology, and how they are shaping business, entertainment, communications, science, politics, and society.