Some claim she’s a Soros mole.
Incredibly McMaster has also recruited a former Soros staffer from his Open Society Institute, Fiona Hill, as the NSC’s expert on Russia. Hill has been pressuring the Hungarian and Romanian governments to stop their resistance to Soros efforts to undermine those democratically elected governments
https://bigleaguepolitics.com/why-mcmaster-has-to-go/
I think it's telling the lamestream media does not cover her very much. Even the articles above are restrained in their affirmation of her. They don't want to admit that Trump has one of their 'respectable' own on his team. She is from Brookings, served under Mike Flynn's team initially, and her views are no secret. Her goal is achieving positive, mutually beneficial communication with Russia. Not fomenting coup in Moscow.