Malkova was "Twistys Treat of the Month" in December 2012 and the 2013 "Twistys Treat of the Year". She was a contract performer for its parent company, Mindgeek, during that time period. When that contract lapsed in 2014, she signed a contract with another company, Hard X, to exclusively perform scenes with men while being allowed to perform scenes without men with other companies. She has been signed by prominent Indian director Ram Gopal Varma for a film named "God, Sex and the Truth – A philosophical Treatise by Mia Malkova".
Malkova is of French Canadian, German, and Irish background. Her brother, Justin Hunt, is also a pornographic actor. Malkova married fellow pornographic actor Danny Mountain in 2014. In 2018 she announced via Twitter that they had separated.
