DDoS

Pierluigi Paganini December 04, 2025
Cloudflare mitigates record 29.7 Tbps DDoS attack by the AISURU botnet

Cloudflare blocked a record 29.7 Tbps DDoS attack from the AISURU botnet. The 69-second attack set a new high, though the target remains undisclosed. Cloudflare stopped a record 29.7 Tbps DDoS attack from the AISURU botnet, a 69-second barrage that set a new volume record. The cybersecurity firm did not disclose the name of the […]

Pierluigi Paganini November 17, 2025
Microsoft mitigated the largest cloud DDoS ever recorded, 15.7 Tbps

Microsoft says the Aisuru botnet launched a 15.7 Tbps DDoS on Azure from 500k IPs, using massive UDP floods peaking at 3.6 B pps. On October 24, 2025, Azure DDoS Protection detected and mitigated a massive multi-vector attack peaking at 15.72 Tbps and 3.64 billion pps, the largest cloud DDoS ever recorded, aimed at a […]

Pierluigi Paganini October 28, 2025
Aisuru botnet is behind record 20Tb/sec DDoS attacks

A new Mirai-based IoT botnet, dubbed Aisuru, was used to launch multiple high-impact DDoS attacks exceeding 20Tb/sec and/or 4gpps. In October 2025, the Aisuru Mirai-based IoT botnet launched massive DDoS attacks of over 20Tb/sec, mainly targeting online gaming, cybersecurity firm Netscout reports. The botnet uses residential proxies to reflect HTTPS DDoS attacks. Its nodes are […]

Pierluigi Paganini October 25, 2025
Russian Rosselkhoznadzor hit by DDoS attack, food shipments across Russia delayed

A DDoS attack on Russia’s food safety agency Rosselkhoznadzor disrupted food shipments by crippling its VetIS and Saturn tracking systems. A DDoS cyberattack on Russia’s food safety agency, Rosselkhoznadzor, disrupted nationwide food shipments by knocking offline its VetIS and Saturn tracking systems for agricultural products and chemicals. Rosselkhoznadzor (Россельхознадзор) is the Federal Service for Veterinary […]

Pierluigi Paganini September 24, 2025
Cloudflare mitigates largest-ever DDoS attack at 22.2 Tbps

Cloudflare blocked a new record-breaking DDoS attack peaking at 22.2 Tbps and 10.6 billion packets per second. Cloudflare announced it has mitigated a new record-breaking distributed denial-of-service (DDoS) attack that peaked at a record-breaking 22.2 terabits per second (Tbps) and 10.6 billion packets per second (Bpps). Cloudflare has not shared other technical details about the […]

Pierluigi Paganini September 02, 2025
Cloudflare blocked a record 11.5 Tbps DDoS attack

Cloudflare blocked a record 11.5 Tbps DDoS attack, a UDP flood from Google Cloud, part of weeks-long assault waves. Cloudflare announced on X that it had blocked the largest ever DDoS attack, peaking at 11.5 Tbps. The UDP flood, mainly from Google Cloud, was part of a wave of attacks that lasted several weeks. Cloudflare […]

Pierluigi Paganini August 20, 2025
DOJ takes action against 22-year-old running RapperBot Botnet

DOJ charges 22-year-old Ethan Foltz of Oregon for running RapperBot, a DDoS botnet behind 370K+ attacks in 80+ countries since 2021. The U.S. DOJ charged 22-year-old Ethan Foltz of Oregon for running the RapperBot botnet, used in over 370,000 DDoS-for-hire attacks since 2021. The criminal service is active in over 80 countries, RapperBot enabled large-scale […]

Pierluigi Paganini July 16, 2025
DDoS peaks hit new highs: Cloudflare mitigated massive 7.3 Tbps assault

Cloudflare blocked 7.3M DDoS attacks in Q2 2025, down from 20.5M in Q1, while hyper-volumetric attacks surged with 6,500+ blocked, averaging 71 daily. Cloudflare mitigated 7.3M DDoS attacks in Q2 2025, down from 20.5M in Q1, 13.5M of which stemmed from an 18-day Q1 campaign. Hyper-volumetric attacks surged, with over 6,500 blocked, averaging 71 per […]

Pierluigi Paganini June 20, 2025
Cloudflare blocked record-breaking 7.3 Tbps DDoS attack against a hosting provider

Cloudflare blocked a record-breaking 7.3 Tbps DDoS attack in May 2025. Cloudflare blocked a record 7.3 Tbps DDoS attack in May 2025, 12% greater than its previous peak and 1 Tbps greater than the attack reported by the popular cyber journalist Brian Krebs. The attack targeted a Cloudflare customer, a hosting provider using the company’s […]

Pierluigi Paganini May 08, 2025
Polish authorities arrested 4 people behind DDoS-for-hire platforms

Polish police arrested 4 people behind DDoS-for-hire platforms used in global attacks, offering takedowns for as little as €10 via six stresser services. Polish authorities arrested 4 people linked to 6 DDoS-for-hire platforms, Cfxapi, Cfxsecurity, neostress, jetstress, quickdown, and zapcut, used to launch attacks worldwide for as little as €10. The platforms were used to […]