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ZDNET's key takeaways
Aisuru smashed previous records with a 31.4 Tbps DDoS attack.
It appeared to have focused on telecommunications providers.
Seemingly safe and small devices can be weaponized for massive cyberattacks.
The Aisuru botnet has reached new heights, breaking previous Distributed Denial-of-Service (DDoS) records with an attack peaking at 31.4 Tbps with 200 million requests per second.
Also known as Kimwolf, Aisuru is one of the largest botnets currently in existence, powered by an estimated one to four million infected hosts worldwide, including home and consumer devices such as routers and online CCTV systems.
Its operators scan the web for vulnerable devices, often with exposed ports or default credentials, and infect them to add them to a pool of devices that can be harnessed to launch a tsunami of fake traffic against a target service.
Also: Why the internet kept breaking and taking down your favorite sites in 2025
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