# A Security Analysis of Captchas with Large Character Sets

> Research article (IEEE Transactions on Dependable and Secure Computing, 2020) · cited 20× · AI/ML

**Wikidata**: [openalex:W3004699930](https://www.wikidata.org/wiki/openalex:W3004699930)  
**Source**: https://4ort.xyz/entity/a-security-analysis-of-captchas-with-large-character-sets