The United States Justice Department announced it has successfully disrupted four major botnets that infected more than 3 million devices worldwide, according to official statements released this week.

The targeted botnets were identified as Aisuru, Kimwolf, JackSkid, and Mossad. These criminal networks had compromised devices across the globe, with many of the infected systems located within home networks, making them particularly dangerous to individual users.

Botnets are networks of compromised computers and devices that cybercriminals remotely control to carry out various malicious activities, including distributed denial-of-service attacks, cryptocurrency mining, and data theft. The scale of these particular networks made them significant threats to global cybersecurity.

The disruption operation represents a major law enforcement action against cybercriminal infrastructure. The Justice Department's announcement indicates the takedown was part of ongoing efforts to combat large-scale cyber threats that target both individual consumers and organizations.

The infected devices within these botnets could have been used to launch cyberattacks against various targets, steal personal information, or participate in other criminal activities without the device owners' knowledge. Home network infections are particularly concerning as they can compromise personal data and provide entry points for further malicious activities.