New Mirai Malware Variant Infects Linux Devices to Build DDoS Botnet

The most effective way to defend systems against Miria and other botnet infections is to change the default password to a complex password that is unique to that device. It is also recommended to download and apply security patches when the official manufacturer releases them.

https://www.bleepingcomputer.com/news/security/new-mirai-malware-variant-infects-linux-devices-to-build-ddos-botnet/