The Yandex Leak: How a Russian Search Giant Uses Consumer Data

"In late January 2023, almost 45 GB of source code from the Russian search giant Yandex was leaked on BreachForums by a former Yandex employee. While the leak itself did not contain user data, it reportedly contained the source code for all major Yandex services, including Metrika, which collects user analytics through a widely used SDK, and Crypta, Yandex’s behavioral analytics technology. "