Mirai Malware Evolves into Hundreds of Variants Driving Botnet Growth

Mirai malware evolves into hundreds of variants, driving botnet growth, including Aisuru and KimWolf, powering large-scale attacks, and increasing risks to vulnerable IoT devices worldwide...

Global Crackdown Dismantles 4 Botnets Behind Major DDoS Attacks

Global crackdown dismantles Aisuru, KimWolf, JackSkid and Mossad botnets behind major DDoS attack campaigns targeting millions of devices worldwide...

US Takes Down Botnets Used in Record-Breaking Cyberattacks

The Aisuru, Kimwolf, JackSkid, and Mossad botnets had infected more than 3 million devices in total, many inside home networks, according to the US Justice Department...

AISURU/Kimwolf Botnet Launches Record-Setting 31.4 Tbps DDoS Attack

The distributed denial-of-service DDoS botnet known as AISURU/Kimwolf has been attributed to a record-setting attack that peaked at 31.4 Terabits per second Tbps and lasted only 35 seconds. Cloudflare, which automatically detected and mitigated the activity, said it's part of a growing number of...

Researchers Null-Route Over 550 Kimwolf and Aisuru Botnet Command Servers

The Black Lotus Labs team at Lumen Technologies said it null-routed traffic to more than 550 command-and-control C2 nodes associated with the AISURU/Kimwolf botnet since early October 2025. AISURU and its Android counterpart, Kimwolf, have emerged as some of the biggest botnets in recent times,...

Who Benefited from the Aisuru and Kimwolf Botnets?

Our first story of 2026 revealed how a destructive new botnet called Kimwolf has infected more than two million devices by mass-compromising a vast number of unofficial Android TV streaming boxes. Today, we'll dig through digital clues left behind by the hackers, network operators and services th...

Cloudflare Blocks Aisuru Botnet Powered Largest Ever 29.7 Tbps DDoS Attack

Cloudflare's Q3 2025 DDoS Threat Report reveals the Aisuru botnet launched a record 29.7 Tbps attack. Learn which sectors were the most targeted, and the key drivers behind the surge in attacks...

Record 29.7 Tbps DDoS Attack Linked to AISURU Botnet with up to 4 Million Infected Hosts

Cloudflare on Wednesday said it detected and mitigated the largest ever distributed denial-of-service DDoS attack that measured at 29.7 terabits per second Tbps. The activity, the web infrastructure and security company said, originated from a DDoS botnet-for-hire known as AISURU, which has been...

Microsoft Mitigates Record 15.72 Tbps DDoS Attack Driven by AISURU Botnet

Microsoft on Monday disclosed that it automatically detected and neutralized a distributed denial-of-service DDoS attack targeting a single endpoint in Australia that measured 15.72 terabits per second Tbps and nearly 3.64 billion packets per second pps. The tech giant said it was the largest DDo...

Cloudflare Scrubs Aisuru Botnet from Top Domains List

For the past week, domains associated with the massive Aisuru botnet have repeatedly usurped Amazon , Apple , Google and Microsoft in Cloudflare's public ranking of the most frequently requested websites. Cloudflare responded by redacting Aisuru domain names from their top websites list. The chie...

Aisuru Botnet Shifts from DDoS to Residential Proxies

Aisuru , the botnet responsible for a series of record-smashing distributed denial-of-service DDoS attacks this year, recently was overhauled to support a more low-key, lucrative and sustainable business: Renting hundreds of thousands of infected Internet of Things IoT devices to proxy services...

DDoS Botnet Aisuru Blankets US ISPs in Record DDoS

The world's largest and most disruptive botnet is now drawing a majority of its firepower from compromised Internet-of-Things IoT devices hosted on U.S. Internet providers like AT &T, Comcast and Verizon , new evidence suggests. Experts say the heavy concentration of infected devices at U.S...

KrebsOnSecurity Hit with 6.3 Tbps DDoS Attack via Aisuru Botnet

KrebsOnSecurity hit and survided a record-breaking 6.3 Tbps DDoS attack linked to the Aisuru IoT botnet, but it shows the vulnerable state of IoT devices...

KrebsOnSecurity Hit With Near-Record 6.3 Tbps DDoS

KrebsOnSecurity last week was hit by a near record distributed denial-of-service DDoS attack that clocked in at more than 6.3 terabits of data per second a terabit is one trillion bits of data. The brief attack appears to have been a test run for a massive new Internet of Things IoT botnet capabl...