Data on 49 million Instagram accounts of celebrities and bloggers were made publicly available.

The leak occurred from the servers of the marketing agency Chtrbox, registered in India. Company

is engaged in paid posting in Instagram accounts of celebrities and bloggers.

After contacting TechCrunch, the company closed access to the database. Facebook, which owns Instagram, announced the start of an internal investigation that should establish the perpetrator of the leak.

Also, the technology giant turned to the management of Chtrbox with the requirement to explain where the company got the account data that is available only to profile owners.

Previously, cybersecurity expert from the Netherlands, Victor Gevers, discovered an open source database containing a correspondence of 364 million people in China.