Hackers stole data of millions of Bulgarians, and sent it to local media. According to the media the source could be the National Revenue Agency. The NRA is investigating the incident and verifying the authenticity of the data. More than 5 million Bulgarian and foreign citizens are affected, consider that the country has a population composed of 7 million people. The hacker bragged about stealing 110 databases from NRAs network, totaling nearly 21 GB. He only shared 57 databases, comprising 11GB of data out of 21 aggregate data with local news outlets.”]
Source: https://securityaffairs.co/wordpress/88477/data-breach/bulgarians-data-leak.html