CACTI: Captcha Avoidance via Client-side TEE Integration.

Yoshimichi Nakatsuka Ercan Ozturk Andrew Paverd Gene Tsudik CACTI: Captcha Avoidance via Client-side TEE Integration. 2561-2578 2021 USENIX Security Symposium https://www.usenix.org/conference/usenixsecurity21/presentation/nakatsuka conf/uss/2021 db/conf/uss/uss2021.html#NakatsukaOPT21