FastNetMon Blog brings you the latest DDoS news, expert analysis, and technical insights on DDoS attacks and network security. As the leading source for DDoS-related content, we cover new threats, attack trends, and protection strategies. Our articles are written for network engineers, security teams, and tech professionals who want to stay ahead of evolving cyber threats. Follow us for updates, how-to guides, and research from the front lines of DDoS defence.
- NANOG 96 – Event Recap
FastNetMon attended NANOG 96, held 2–4 February 2026 in San Francisco, joining over 800 network engineers, operators,… Read more: NANOG 96 – Event Recap - Aisuru botnet sets a new DDoS record at 31.4 Tbps
Another DDoS record has been reported, and once again, it is the same botnet setting it. In… Read more: Aisuru botnet sets a new DDoS record at 31.4 Tbps - Engineering deep dive: How AMS-IX uses FastNetMon for automated DDoS mitigation
Introduction DDoS attacks have long been a thorn in the side of network operators—but AMS-IX faced a… Read more: Engineering deep dive: How AMS-IX uses FastNetMon for automated DDoS mitigation - End may be near for Aisuru and Kimwolf botnets after large-scale C2 disruption
One of the largest DDoS botnet operations observed in recent years may be facing sustained disruption after… Read more: End may be near for Aisuru and Kimwolf botnets after large-scale C2 disruption - OCCRP reports sustained DDoS attack targeting its investigative journalism website
The Organized Crime and Corruption Reporting Project (OCCRP) has reported that its website has been targeted by… Read more: OCCRP reports sustained DDoS attack targeting its investigative journalism website - Venezuela’s routing anomaly and the bigger problem with BGP security
In early January 2026, unusual Internet routing behaviour was observed involving AS8048, operated by CANTV, Venezuela’s state-owned… Read more: Venezuela’s routing anomaly and the bigger problem with BGP security - DDoS attacks disrupt Final Fantasy XIV Savage raid launch
The launch of Final Fantasy XIV’s latest Savage raid tier in patch 7.4 was disrupted by a… Read more: DDoS attacks disrupt Final Fantasy XIV Savage raid launch - BGP Blackhole Automation for DDoS mitigation
In this article, we will discuss how the routing infrastructure, more specifically the BGP routing technique called… Read more: BGP Blackhole Automation for DDoS mitigation - Orange Polska mitigated a large multi-vector DDoS attack on Christmas Eve
Orange Polska mitigated a sizable DDoS attack on Christmas Eve, peaking at 1.5 Tbps. Orange Polska is… Read more: Orange Polska mitigated a large multi-vector DDoS attack on Christmas Eve - Kimwolf: possible Aisuru successor capable of multi-Tbps DDoS attacks
A new “super botnet” Kimwolf reported by researchers Security researchers at XLab recently disclosed Kimwolf, a newly… Read more: Kimwolf: possible Aisuru successor capable of multi-Tbps DDoS attacks - DDoS attack disrupts La Poste services just before Christmas
DDoS News: France’s national postal service, La Poste, has confirmed that a DDoS attack disrupted its digital infrastructure, partially… Read more: DDoS attack disrupts La Poste services just before Christmas - Solana reports stable network operation during sustained multi-terabit DDoS attack
On December 16, 2025, Solana reported that its network had been under a sustained DDoS attack for approximately a… Read more: Solana reports stable network operation during sustained multi-terabit DDoS attack - DDoS Defense by Design: Architecture That Survives When Everything Else Fails
This article is written by Herve Hildenbrand and was originally published on LinkedIn. Reposted with the author’s permission. A DDoS… Read more: DDoS Defense by Design: Architecture That Survives When Everything Else Fails - CISA warns of hacktivist DDoS attacks on critical infrastructure OT systems
CISA, together with the FBI, the Department of Energy, the EPA, and international partners, have issued a… Read more: CISA warns of hacktivist DDoS attacks on critical infrastructure OT systems - The good and the bad of GRE tunnels in DDoS scrubbing
One of the most common ways to protect a network from large volumetric DDoS attacks is to divert… Read more: The good and the bad of GRE tunnels in DDoS scrubbing - New record-breaking DDoS: 29.7 Tbps Aisuru attack marks new high in hyper-volumetric threats
DDoS news: December 4th 2025 A new world-record DDoS attack has been confirmed, peaking at 29.7 terabits per… Read more: New record-breaking DDoS: 29.7 Tbps Aisuru attack marks new high in hyper-volumetric threats - Why DDoS botnets are so hard to take down?
Every time law enforcement announces a major DDoS botnet operation, the Internet seems to exhale in relief.… Read more: Why DDoS botnets are so hard to take down? - ShadowV2 resurfaces: IoT botnet activity amid AWS outage highlights persistent device vulnerabilities
During late October 2025, a new Mirai-derived botnet dubbed ShadowV2 was observed exploiting unpatched IoT devices across multiple sectors… Read more: ShadowV2 resurfaces: IoT botnet activity amid AWS outage highlights persistent device vulnerabilities - Aisuru isn’t done with DDoS — and the Azure attack shows why the industry isn’t ready
This week, Microsoft confirmed it had mitigated the largest DDoS attacks ever observed on Azure: a 15.72… Read more: Aisuru isn’t done with DDoS — and the Azure attack shows why the industry isn’t ready - US, UK and Australia sanction Russian hosting providers behind major ransomware and DDoS activity
The U.S. Department of the Treasury, together with the UK and Australia, has announced coordinated sanctions against… Read more: US, UK and Australia sanction Russian hosting providers behind major ransomware and DDoS activity - ShadowRay 2.0: Self-replicating botnet turns Ray clusters into DDoS weapons
Researchers are tracking a self-replicating botnet campaign, ShadowRay 2.0, that is targeting internet-facing Ray clusters, the open-source distributed computing… Read more: ShadowRay 2.0: Self-replicating botnet turns Ray clusters into DDoS weapons - DDoS trends in public administration – new data from ENISA report
The European Union’s cybersecurity agency, ENISA, has published a new sectorial threat landscape report and a press release showing… Read more: DDoS trends in public administration – new data from ENISA report - Belgium hit by twin DDoS campaigns — what we know
In early November 2025, Belgian networks were hit by two related DDoS campaigns targeting telecom operators, healthcare… Read more: Belgium hit by twin DDoS campaigns — what we know - BGP Blackhole for DDoS Mitigation — and How to Automate It with FastNetMon
We are pleased to welcome a guest contributor: BGP Brian (Brian Wilson). Brian leads the BGP Black… Read more: BGP Blackhole for DDoS Mitigation — and How to Automate It with FastNetMon - Aisuru botnet shifts focus from DDoS to residential proxy services
The Aisuru botnet, responsible for multiple record-breaking DDoS attacks this year, has reportedly altered its operations to… Read more: Aisuru botnet shifts focus from DDoS to residential proxy services - DDoS attacks disrupt Poland’s leading mobile payment system BLIK
Poland’s largest digital payment service, BLIK, has suffered periodic outages after being targeted by distributed denial-of-service attacks… Read more: DDoS attacks disrupt Poland’s leading mobile payment system BLIK - Hezi Rash – new hacktivist group claims over 350 DDoS attacks worldwide
A newly emerged hacktivist collective calling itself Hezi Rash (‘Black Force’) has sharply increased DDoS activity across multiple countries.… Read more: Hezi Rash – new hacktivist group claims over 350 DDoS attacks worldwide - Russias food safety under DDoS attack
Russia’s national food-safety regulator, Rosselkhoznadzor, faced a DDoS incident last week that took down its digital certification… Read more: Russias food safety under DDoS attack - Help — I’ve Been Sent a Ransom Note from a DDoS Group: What Should I Do?
Every now and then, a network operator’s inbox lights up with a DDoS ransom note — bold… Read more: Help — I’ve Been Sent a Ransom Note from a DDoS Group: What Should I Do? - DDoS botnet Aisuru drives record outbound floods from infected ISP-hosted IoT
Aisuru, a massive IoT botnet, recently pushed outbound traffic close to 30 Tbps from infected devices inside… Read more: DDoS botnet Aisuru drives record outbound floods from infected ISP-hosted IoT - Behind the screen. Non-technical story of FastNetMon: From GitHub to a Brand with the Global Name.
Today, FastNetMon protects networks of all sizes from DDoS attacks and serves customers in dozens of countries… Read more: Behind the screen. Non-technical story of FastNetMon: From GitHub to a Brand with the Global Name. - Linux 6.18 improves server performance under DDoS attacks
Recent kernel updates led by Google engineer Eric Dumazet, and first reported by Michael Larabel (Phoronix), show… Read more: Linux 6.18 improves server performance under DDoS attacks - The IPv6 Divide: How Slow Adoption Creates Digital Vulnerabilities and Economic Inequality
Guest post by Vincentas Grinius, Co-Founder at IPXO The shift to IPv6 has escalated into a matter… Read more: The IPv6 Divide: How Slow Adoption Creates Digital Vulnerabilities and Economic Inequality - Another record-breaking DDoS? Aisuru botnet suspected behind 29.69 Tbps gaming outages
Incident summary: What we know so far Several major gaming platforms — including Steam and Riot Games… Read more: Another record-breaking DDoS? Aisuru botnet suspected behind 29.69 Tbps gaming outages - ShadowV2: A new botnet that turns misconfigured Docker APIs into a pay-to-use cloud DDoS platform
ShadowV2 has been identified as a new DDoS-as-a-service platform that stands out for its use of cloud… Read more: ShadowV2: A new botnet that turns misconfigured Docker APIs into a pay-to-use cloud DDoS platform - Outbound DDoS: The attack you might be unknowingly hosting
When we talk about DDoS attacks, the focus is almost always on protecting services from inbound floods.… Read more: Outbound DDoS: The attack you might be unknowingly hosting - A new world record DDoS attack: 22.2 Tbps
The cybersecurity landscape witnessed a new benchmark in DDoS attacks as Cloudflare reported mitigating a hyper-volumetric assault… Read more: A new world record DDoS attack: 22.2 Tbps - Understanding Layer 3 and Layer 4 DDoS attacks
What L3 and L4 DDoS attacks are, how they work, and what defenders need to know DDoS… Read more: Understanding Layer 3 and Layer 4 DDoS attacks - How to tell if you’re under a DDoS attack
DDoS attacks remain one of the most disruptive threats facing ISPs, backbone networks, hosting providers, and enterprises.… Read more: How to tell if you’re under a DDoS attack - Cambridge study examines global law enforcement efforts against DDoS-for-hire services
Researchers from the University of Cambridge’s Security Group recently published important findings on the effectiveness of global… Read more: Cambridge study examines global law enforcement efforts against DDoS-for-hire services - Common myths and misconceptions about DDoS attacks
Despite being a decades-old threat, DDoS attacks still come with a cloud of misunderstanding. Every time a… Read more: Common myths and misconceptions about DDoS attacks - 1.5 billion packets per second DDoS attack detected with FastNetMon
Breaking DDoS news from FastNetMon At FastNetMon, we recently worked with a customer — a DDoS scrubbing… Read more: 1.5 billion packets per second DDoS attack detected with FastNetMon - Understanding Application-Layer & Low-and-Slow DDoS Attacks
Application-layer and “low-and-slow” DDoS attacks explained by DDoS defence professionals Application-layer (L7) and “low-and-slow” DDoS attacks are… Read more: Understanding Application-Layer & Low-and-Slow DDoS Attacks - DDoS FAQ for beginners
Introduction: Questions you always wanted to ask about DDoS DDoS is one of those topics that everyone… Read more: DDoS FAQ for beginners - Cloudflare mitigates record-breaking 11.5 Tbps DDoS attack
Cloudflare has disclosed that it successfully mitigated the largest DDoS attack recorded to date — a hyper-volumetric… Read more: Cloudflare mitigates record-breaking 11.5 Tbps DDoS attack - Why do DDoS attacks happen? Top motivations behind DDoS cybercrime
We often talk about how DDoS attacks happen — via botnets, traffic floods, vectors — but rarely… Read more: Why do DDoS attacks happen? Top motivations behind DDoS cybercrime - Arch Linux Confirms Week-Long DDoS Attack on Core Infrastructure
The Arch Linux project has confirmed that its core infrastructure has been under sustained DDoS attack for… Read more: Arch Linux Confirms Week-Long DDoS Attack on Core Infrastructure - How to defend against a DDoS attack?
DDoS defence explained: how to detect and mitigate a DDoS attack? DDoS attacks are easier than ever… Read more: How to defend against a DDoS attack? - U.S. Authorities Take Down “RapperBot” DDoS-for-Hire Service After 370,000 Attacks
The U.S. Department of Justice has charged a 22-year-old Oregon man for operating RapperBot, a large-scale botnet-for-hire… Read more: U.S. Authorities Take Down “RapperBot” DDoS-for-Hire Service After 370,000 Attacks - MadeYouReset: The New HTTP/2 DDoS Threat and Mitigation Strategies
MadeYouReset is a new HTTP/2 DDoS vector related to 2023’s Rapid Reset. By provoking the server to… Read more: MadeYouReset: The New HTTP/2 DDoS Threat and Mitigation Strategies