Aisuru Botnet Behind Record 20Tb/sec DDoS Attacks
Category:Threat / Botnet
The Aisuru Mirai-based botnet launched multiple DDoS attacks exceeding 20Tb/sec and 4 million packets per second, targeting gaming and broadband providers. Netscout reports show Aisuru using residential proxies for HTTPS reflection attacks, marking one of the largest non-spoofed IoT DDoS events recorded in 2025.
CORTEX Protocol Intelligence Assessment
Business Impact: Represents the largest observed IoT-driven DDoS campaign, highlighting risk to ISPs and gaming networks. Technical Context: Leverages consumer routers and CPEs for reflection and direct-path HTTPS floods without spoofing.
Strategic Intelligence Guidance
- Implement advanced DDoS mitigation and traffic profiling.
- Enforce rate limiting on edge devices and ISPs.
- Promote CPE firmware patching to customers.
- Coordinate response with threat intel sharing networks.
Threats
Targets
Impact
Data Volume:20Tb/sec
Intelligence Source: Aisuru botnet is behind record 20Tb/sec DDoS attacks | Oct 29, 2025