President-elect Donald Trump's choice for Homeland Security secretary portrayed illegal immigration as an "invasion" and the U.S.-Mexico border as a "war zone" during a U.S. Senate confirmation on Friday where she pledged to back Trump's hard line on immigration.

Noem's role as Homeland Security secretary is expected to be more limited in scope than her predecessors’, sources familiar with the Trump transition tell NBC News.

The Flandreau Santee Sioux Tribe, the smallest in the state, also congratulated the GOP governor on her nomination to be Trump's homeland security secretary.

South Dakota Gov. Kristi Noem’s advancement to the cusp of confirmation as a Trump cabinet secretary probably surprised some people who thought her career ended nine months ago with a notoriously disastrous book release.

Kristi Noem, President-elect Trump's pick for Homeland Security Secretary, said she would bring bring back some of Trump's border policies, including the "remain in Mexico" policy that keeps migrants out of the U.

Donald Trump's nominee to lead the Department of Homeland Security, Gov. Kristi Noem (R-SD), vowed to prioritize border security should she be confirmed.

Fox News' Chad Pergram reports on the timeline for a possible Noem confirmation to the Department of Homeland Security as the delayed Senate hearing kicks off on Capitol Hill.

But another major issue Noem plans to tackle is cybersecurity infrastructure, including reigning in the recent anti-misinformation efforts by the Cybersecurity and Infrastructure Security Agency (CISA), which she says is a deviation from its core mission and an endangerment to Americans’ civil liberties.

MSNBC host Nicolle Wallace was up close and personal with former Gov. Sarah Palin (R-AK) when she worked for the late Sen. John McCain (R-AZ), and even she misses Palin over the likes of Gov. Kristi Noem (R-SD).

Governor Kristi Noem's Senate confirmation highlighted likely policy on the way for the Department of Homeland Security.

During her testimony, Noem described the Department of Homeland Security as “broken and dysfunctional.” She emphasized the need for reforms that would enable the department to operate more effectively. Her straight talk about these issues resonated with many, and it’s clear she has some big ideas to tackle these challenges head-on.