- Yandex one of Europe’s largest internet companies and the leading search and ride-hailing provider in Russia
- Announced that a data breach discovered during routine screening by Yandex’s security team
- An internal investigation revealed that an employee providing unauthorized access to users’ mailboxes for personal gain
- The employee one of three system administrators with the necessary access rights to provide technical support for the service
- Yandex’s security team already blocked unauthorized access to the compromised mailboxes
- A thorough internal investigation of the incident under way, and Yandex making changes to administrative access procedures
