Yandex SmartCaptcha release notes

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Updated at April 9, 2025

January 2025

SmartCaptcha was certified for compliance with 152-FZ, GOST R 57580, and PCI DSS.

SmartCaptcha successfully passed an external audit for 152-FZ, GOST R 57580, and PCI DSS compliance.

Added various CAPTCHAs you can show depending on the basic properties of incoming requests. To flexibly split requests, you can use different combinations of traffic conditions.
Implemented CAPTCHA accessibility criteria in accordance with GOST R 52 872-2019. In particular, CAPTCHA is now:
- Compatible with screen access programs.
- Controlled by keyboard or on-screen buttons (relevant for SmartTV).
- Contains more explanatory elements.

For SmartCaptcha, the maximum difficulty level was added. This level requires completing an additional high difficulty challenge.