Bernal, Sergio López and Celdrán, Alberto Huertas and Pérez, Gregorio Martínez and Barros, Michael Taynnan and Balasubramaniam, Sasitharan (2021) Security in Brain-Computer Interfaces : State-of-the-Art, Opportunities, and Future Challenges. ACM Computing Surveys, 54 (1). ISSN 0360-0300