The House Homeland Security Committee is planning a hearing on cybersecurity threats early next month, The Hill has learned.

The committee is expected to hold a full hearing on the Department of Homeland Security’s (DHS) cyber defenses and threats to the U.S. on March 1, according to a committee aide.

The hearing will be the committee’s first focusing on cybersecurity since the intelligence community concluded that Russia engaged in a cyber and disinformation campaign aimed at influencing the 2016 U.S. presidential election.

The hearing will not focus on the Russian election hacks but will instead cover the full scope of the threat landscape, touching on cyber threats from Russia, China, North Korea and other hostile actors, the aide said.

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Hackers tied to North Korea’s government made waves with the breach of Sony Pictures’ computer systems in 2014, in retaliation for the Hollywood studio’s production of the movie “The Interview,” which mocked leader Kim Jong Un. The massive Office of Personnel Management hack detected in 2015, in which more than 20 million people had their personal data stolen, has been traced to hackers in China.

In March, committee members will receive expert testimony on the DHS’s civilian cyber defenses, the aide said.

Committee Chairman Michael McCaul (R-Texas) has made cyber a top priority, pushing for reforms and reorganization at the DHS in order to boost the department’s ability to protect the nation and its critical infrastructure from cyber intrusions.

Various Senate committees have held hearings on the breaches traced to Russia. The Senate Armed Services Committee has also formed a new subcommittee to oversee the Pentagon’s cyber capabilities.

While President Trump has talked about making changes on cybersecurity policy, he has yet to sign a cyber executive order that was pulled last week without explanation.