DDoS

Pierluigi Paganini February 06, 2026
Record-breaking 31.4 Tbps DDoS attack hits in November 2025, stopped by Cloudflare

AISURU/Kimwolf botnet hit a record 31.4 Tbps DDoS attack lasting 35 seconds in Nov 2025, which Cloudflare automatically detected and blocked. The AISURU/Kimwolf botnet was linked to a record-breaking DDoS attack that peaked at 31.4 Tbps and lasted just 35 seconds. Cloudflare said the November 2025 incident was part of a surge in hyper-volumetric HTTP […]

Pierluigi Paganini February 05, 2026
Pro-Russian group Noname057(16) launched DDoS attacks on Milano Cortina 2026 Winter Olympics

Italy stopped Russian-linked cyberattacks targeting Foreign Ministry offices and Winter Olympics websites and hotels, Foreign Minister Tajani said. Italy has thwarted a series of Russian-linked cyberattacks aimed at Foreign Ministry offices, including one in Washington, as well as Winter Olympics websites and hotels in Cortina d’Ampezzo, according to Foreign Minister Antonio Tajani. “We have foiled […]

Pierluigi Paganini January 20, 2026
UK NCSC warns of Russia-linked hacktivists DDoS attacks

The UK government warns Russia-linked hacktivists are still carrying out DDoS attacks on critical infrastructure and local government systems The UK government warns that Russia-linked hacktivists are continuing DDoS attacks against critical infrastructure and local government systems. “Today, 19th January 2026, the National Cyber Security Centre (NCSC) – a part of GCHQ – has issued an […]

Pierluigi Paganini December 24, 2025
La Poste outage after a cyber attack disrupts digital banking and online services

La Poste said a major network incident took its systems offline, disrupting digital banking and online services for millions of users. The French national postal service La Poste confirmed a major cyber incident had knocked its information systems offline, disrupting digital banking and online services for millions of customers. On social media, La Poste said […]

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 […]