Ransomware botnets are networks of compromised machines controlled remotely. They can execute coordinated attacks, encrypt massive amounts of data, or spread laterally across networks. Botnets increase impact and evade simple defenses. Some botnets include hundreds of thousands of devices worldwide. Control servers manage the operation efficiently.
It matters because botnets amplify damage and speed of attacks. Large-scale defense is necessary.
It also demonstrates the global coordination behind modern cybercrime.
Ransomware botnets can include hundreds of thousands of infected machines.
[Europol, europol.europa.eu]