# Text Captcha Is Dead? A Large Scale Deployment and Empirical Study

> Research article (Proceedings of the 2020 ACM SIGSAC Conference on Computer and Communications Security, 2020) · cited 22× · AI/ML

**Wikidata**: [openalex:W3094898851](https://www.wikidata.org/wiki/openalex:W3094898851)  
**Source**: https://4ort.xyz/entity/text-captcha-is-dead-a-large-scale-deployment-and-empirical-study