In an interview with The New York Times on Thursday, The Guardian's Glenn Greenwald revealed information about how he broke the bombshell story about the National Security Agency's surveillance program.

Earlier this week, Greenwald reported that the NSA currently collects call data from millions of Verizon customers. On Jake Tapper's CNN show, Greenwald called the program "indiscriminate and sweeping." He added, "What this court order does that makes it so striking is that it's not directed at any individual... it's collecting the phone records of every single customer of Verizon business and finding out every single call they've made."

NBC's Pete Williams said on Thursday that it was "highly likely" that Greenwald's story would "trigger a leak investigation" into the source responsible for passing along the top-secret court order. The statement was not necessarily surprising, just another confirmation of the Obama administration's aggressive pursuit of leakers.

Greenwald revealed some information about the leaker in the Times interview. It read, "The leak, he said, came from 'a reader of mine' who was comfortable working with him. The source, Mr. Greenwald said, 'knew the views that I had and had an expectation of how I would display them.'"

Greenwald also described the security precautions he placed on his computer while he worked on the story, which included "installing encrypted instant chat and email programs."

The Times article, which focused on Greenwald's rise as a lawyer turned journalist, carried the headline, "Blogger, With Focus on Surveillance, Is at Center of a Debate." Margaret Sullivan, the Times public editor, criticized the headline as "dismissive." She tweeted, "Nothing against bloggers (since I am one), but that headline description of @ggreenwald felt dismissive to me."

(h/t NY Times)

Also on HuffPost:

Loading Slideshow...
  • Sen. Dianne Feinstein (D-Calif.)

    Sen. Dianne Feinstein (D-Calif.) said the court order for telephone records was part of a three-month renewal of an ongoing practice, <a href="http://www.huffingtonpost.com/huff-wires/20130606/us-nsa-phone-records-feinstein/" target="_blank">the Associated Press reported</a>. "It’s called protecting America," Feinstein said at a Capitol Hill news conference.

  • Sen. Mark Udall (D-Colo.)

    Sen. Mark Udall (D-Colo.) <a href="http://www.huffingtonpost.com/2013/06/06/verizon-phone-records-nsa_n_3397058.html?utm_hp_ref=politics" target="_blank">said</a> "the administration owes the American public an explanation of what authorities it thinks it has."

  • Senate Majority Leader Harry Reid (D-Nev.)

    Senate Majority Leader Harry Reid (D-Nev.) thought everyone "should just calm down." "Right now I think everyone should just calm down and understand this isn't anything that's brand new," Reid <a href="http://www.huffingtonpost.com/2013/06/06/verizon-phone-records-nsa_n_3397058.html?utm_hp_ref=politics" target="_blank">said</a>.

  • Former Vice President Al Gore

  • Sen. Jeff Merkley (D-Ore.)

    Sen. Jeff Merkley (D-Ore.) said in a statement: "This type of secret bulk data collection is an outrageous breach of Americans’ privacy."

  • Sen. Lindsey Graham (R-S.C.)

    Sen. Lindsey Graham (R-S.C.) said he was <a href="http://www.huffingtonpost.com/2013/06/06/lindsey-graham-nsa_n_3396223.html?1370532449" target="_blank">"glad" the NSA was collecting phone records. </a> "I don’t mind Verizon turning over records to the government if the government is going to make sure that they try to match up a known terrorist phone with somebody in the United States," Graham said in an interview on "Fox and Friends."

  • Sen. Saxby Chambliss (R-Ga.)

    Sen. Saxby Chambliss (R-Ga.) also claimed that reports of the NSA collecting phone records was "nothing particularly new." "Every member of the United States Senate has been advised of this," Chambliss<a href="http://www.huffingtonpost.com/2013/06/06/verizon-phone-records-nsa_n_3397058.html?utm_hp_ref=politics" target="_blank"> said</a>. "And to my knowledge we have not had any citizen who has registered a complaint relative to the gathering of this information."

  • Sen. Bob Corker (R-Tenn.)

    Sen. Bob Corker (R-Tenn.) found the NSA collecting phone records <a href="http://www.huffingtonpost.com/2013/06/06/verizon-phone-records-nsa_n_3397058.html?utm_hp_ref=politics" target="_blank">"troubling."</a> "The fact that all of our calls are being gathered in that way -- ordinary citizens throughout America -- to me is troubling and there may be some explanation, but certainly we all as citizens are owed that, and we're going to be demanding that," Corker <a href="http://www.huffingtonpost.com/2013/06/06/verizon-phone-records-nsa_n_3397058.html?utm_hp_ref=politics" target="_blank">said</a>.

  • Sen. Ted Cruz (R-Texas)

  • Sen. Mike Lee (R-Utah)