![Sofia, Bulgaria](https://preprod.cyberscoop.com/wp-content/uploads/sites/3/2019/07/gettyimages-1065550430-170667a.jpg?w=255)
Bulgaria hacking suspect worked on government cybersecurity before tax agency breach
The arrest is related to a massive data breach at the National Revenue Agency. The 20-year-old man had been conducting cybersecurity training for the GDOC, a Bulgarian…