BiasHacker: Voice Command Disruption by Exploiting Speaker Biases in Automatic Speech Recognition. - Payton Walker; Nathan McClaran; Zihao Zheng; Nitesh Saxena; Guofei Gu (WISEC, 2022)

"Alexa, Is Dynamic Content Safe?" Understanding the Risks of Dynamic Content in the Alexa Skill Ecosystem. - Nathan McClaran; Payton Walker; Zihao Zheng; Yangyong Zhang; Nitesh Saxena; Guofei Gu (WISEC, 2025)