The source of the data is not known
https://www.bleepingcomputer.com/news/security/hacker-sells-the-data-for-millions-of-moscow-drivers-for-800/
Hackers are selling a stolen database containing 50 million records of Moscow driver data on an underground forum for only $800.
According to Russian media outlets that purchased the database, the data appears to be valid and contains records collected between 2006 and 2019
The source of the data is not known
Oct 23, 2021, 4:17pm UTC
https://www.bleepingcomputer.com/news/security/hacker-sells-the-data-for-millions-of-moscow-drivers-for-800/
> Hackers are selling a stolen database containing 50 million records of Moscow driver data on an underground forum for only $800.
> According to Russian media outlets that purchased the database, the data appears to be valid and contains records collected between 2006 and 2019