WATCH LIVE: Brennan confirmation hearing

The hearing is scheduled for 2:30 p.m.

Lawmakers had pressed the White House to provide more information on the administration's legal justifications for using armed drone strikes to target Americans abroad suspected of terrorist activity.

CIA Director nominee John Brennan is scheduled to testify Thursday in front of the Senate Intelligence Committee | Source: Getty Images

The White House agreed to brief lawmakers after some senators suggested they might block Brennan's nomination until they received more information.

Brennan, currently Obama's top counterterrorism adviser, faces opposition from some GOP lawmakers, but disclosures about the administration's drone policy have sparked anger among liberals as well.

For more on Brennan's nomination hearing, click here.