The hacker was in the news couple of months ago for doxing himself.
You dont even have to elevate your privileges, you just connect and have total access.
In his statements, GhostShell says that he only used simple scanners like Shodan to reveal these databases.
Earlier, the hacker also embarked on a more aggressive campaign called Dark Hacktivism.
However, the hacker this time around has an issue with companies that deploy MongoDB without safeguarding them properly.
you might read the complete statement from GhostShell on Pastebin pastehere.
source: www.techworm.net