A Brief History of the Meris Botnet
2021-11-09
Over the past months, we’ve been tracking and analyzing the activity of the Meris botnet....
DDoS Attack Trends for Q3 2021
2021-11-04
In Q3, 2021 we saw and mitigated record-setting HTTP DDoS attacks, terabit-strong network layer attacks, one of the largest botnets ever deployed (Meris), and more recently, ransom attacks on Voice-over-IP (VoIP) service providers....
Update on recent VoIP attacks: What should I do if I’m attacked?
2021-10-07
Because of the sustained attacks we are observing, we are sharing details on recent attack patterns, what steps they should take before an attack, and what to do after an attack has taken place....
May I ask who’s calling, please? A recent rise in VoIP DDoS attacks
2021-10-01
Over the past month, multiple Voice over Internet Protocol (VoIP) providers have been targeted by Distributed Denial of Service (DDoS) attacks from entities claiming to be REvil. ...
How to customize your HTTP DDoS protection settings
2021-09-20
We’re excited to announce the availability of the HTTP DDoS Managed Ruleset. This new feature allows Cloudflare customers to independently tailor their HTTP DDoS protection settings. ...
Cloudflare thwarts 17.2M rps DDoS attack — the largest ever reported
2021-08-19
Earlier this summer, Cloudflare’s autonomous edge DDoS protection systems automatically detected and mitigated a 17.2 million request-per-second (rps) DDoS attack, an attack almost three times larger than any previous one that we're aware of. ...
DDoS attack trends for 2021 Q2
2021-07-20
The DDoS attack trends observed over Cloudflare’s network in 2021 Q2 paint a picture that reflects the overall global cyber threat landscape. Here are some highlights of DDoS attack trends observed in 2021 Q2. ...
DDoS attack trends for 2021 Q1
2021-04-19
Today, along with this deep-dive analysis blog, we’re excited to announce the new Radar DDoS Report page, our first fully automated data notebook built on top of Jupyter, Clickhouse, and Workers....
A deep-dive into Cloudflare’s autonomous edge DDoS protection
2021-03-18
Introducing our autonomous DDoS (Distributed Denial of Service) protection system, globally deployed to all of Cloudflare’s 200+ data centers, and is actively protecting all our customers against DDoS attacks across layers 3 to 7 (in the OSI model) without requiring any human intervention....
Cloudflare recognized as a 'Leader' in The Forrester Wave for DDoS Mitigation Solutions
2021-03-02
Cloudflare is named a ‘Leader’ in Forrester Wave™ for DDoS Mitigation Solutions, Q1 2021...
Network-layer DDoS attack trends for Q4 2020
2021-01-22
DDoS attack trends in the final quarter of 2020 defied norms in many ways. For the first time in 2020, Cloudflare observed an increase in the number of large DDoS attacks. Specifically, the number of attacks over 500Mbps and 50K pps saw a massive uptick. ...
Ransom DDoS attacks target a Fortune Global 500 company
2021-01-07
In late 2020, a major Fortune Global 500 company was targeted by a Ransom DDoS (RDDoS) attack by a group claiming to be the Lazarus Group. Cloudflare quickly onboarded them to the Magic Transit service and protected them against the lingering threat. ...
Beat - An Acoustics Inspired DDoS Attack
2020-12-22
On the week of Black Friday, Cloudflare automatically detected and mitigated “Beat” - an acoustics inspired DDoS attacks that targeted a Magic Transit customer. ...
Network-layer DDoS attack trends for Q3 2020
2020-11-18
In Q3 ‘20, Cloudflare observed a surge in DDoS attacks, with double the number of DDoS attacks and more attack vectors deployed than ever — with a notable surge in protocol-specific DDoS attacks such as mDNS, Memcached, and Jenkins amplification floods....
Know When You’ve Been DDoS’d
2020-10-05
Today we’re announcing the availability of DDoS attack alerts. The alerts are available for free for all Cloudflare’s customers on paid plans. Learn how to create an alert....
Moobot vs. Gatebot: Cloudflare Automatically Blocks Botnet DDoS Attack Topping At 654 Gbps
2020-09-16
On July 3, Cloudflare’s global DDoS protection system, Gatebot, automatically detected and mitigated a UDP-based DDoS attack that peaked at 654 Gbps. The attack was part of a ten-day multi-vector DDoS campaign targeting a Magic Transit customer and was mitigated without any human intervention....
Network-layer DDoS attack trends for Q2 2020
2020-08-05
This quarter, we saw an increasing number of large scale attacks; both in terms of packet rate and bit rate. In fact, 88% of all DDoS attacks in 2020 that peaked above 100 Gbps were launched after shelter-in-place went into effect in March....
flowtrackd: DDoS Protection with Unidirectional TCP Flow Tracking
2020-07-14
flowtrackd is a software-defined DDoS protection system that significantly improves our ability to automatically detect and mitigate even the most complex TCP-based DDoS attacks. If you are a Magic Transit customer, this feature will be enabled by default at no additional cost on July 29, 2020....
Mitigating a 754 Million PPS DDoS Attack Automatically
2020-07-09
On June 20, Cloudflare automatically mitigated a highly volumetric DDoS attack that peaked above 754 million packets per second. The attack was part of an organized four day campaign starting on June 18 and ending on June 21....