# Using Sonar for Liveness Detection to Protect Smart Speakers against Remote Attackers

> Research article (Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies, 2020) · cited 36× · AI/ML

**Wikidata**: [openalex:W3011619420](https://www.wikidata.org/wiki/openalex:W3011619420)  
**Source**: https://4ort.xyz/entity/using-sonar-for-liveness-detection-to-protect-smart-speakers-against-remote-attackers