MYSTERIOUS: Hackers get hacked by infostealing malware - You Need To See This

Although not as common of an occurrence, hackers will sometimes breach other hackers’ devices and steal their login credentials. 

In a recent report, cybersecurity researchers from Hudson Rock said they found some 120,000 infected systems, with 100,000 belonging to hackers. From those compromised endpoints, more than 140,000 login credentials to various hacking forums were stolen.