1cont.ru

In early 2020 the Russian business counterparty verification service 1cont.ru experienced a significant data breach. An unauthorized third party successfully compromised the platform and published a database containing information on approximately 1.5 million users. The exposed data includes personal names, email addresses, physical locations, associated company names, and multiple contact phone numbers per record. This incident impacted professional users who utilized the service for due diligence and B2B research purposes.