A federal judge on Wednesday dismissed a Moscow-based company’s challenge to the Trump administration’s governmentwide ban on its software, ruling that the U.S. Department of Homeland Security’s move was justified to minimize cybersecurity vulnerabilities.

“These defensive actions may very well have adverse consequences for some third parties. But that does not make them unconstitutional,” U.S. District Judge Colleen Kollar-Kotelly in Washington said in her ruling.