SBU press officer Olena Hitlianska told a news conference, Censor.NET reports citing Ukrinform.
"The issue is under consideration. When a decision is made, we'll inform the public," she said.
According to her, the SBU keeps track of all those who could harm the national interests of Ukraine and takes appropriate action.
"We don't do it selectively but look that no one who denies our territorial integrity, who humiliates our Ukraine enters the country," Hitlianska said.
Earlier, Marine Le Pen said in an interview with Russia's Izvestia newspaper that Crimea had never belonged to Ukraine.
Related materials: Occupation of Crimea