Mantis - the most powerful botnet to date
July 14, 2022 1:00 PM
We named the botnet that launched the 26M rps (requests per second) DDoS attack "Mantis" as it is also like the Mantis shrimp, small but very powerful...
Introducing Location-Aware DDoS Protection
July 11, 2022 12:57 PM
Location-Aware DDoS Protection is now available in beta for Cloudflare Enterprise customers that are subscribed to the Advanced DDoS service...
DDoS attack trends for 2022 Q2
July 06, 2022 12:55 PM
Welcome to our 2022 Q2 DDoS report. This report includes insights and trends about the DDoS threat landscape — as observed across the global Cloudflare network...
Cloudflare mitigates 26 million request per second DDoS attack
June 14, 2022 12:56 PM
Last week, Cloudflare automatically detected and mitigated a 26 million request per second DDoS attack — the largest HTTPS DDoS attack on record...
In Ukraine and beyond, what it takes to keep vulnerable groups online
June 08, 2022 12:56 PM
As we celebrate the eighth anniversary of Project Galileo, we want to provide a view into the type of cyber attacks experienced by organizations protected under the project...
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April 27, 2022 2:02 PM
Cloudflare blocks 15M rps HTTPS DDoS attack
Earlier this month, Cloudflare’s systems automatically detected and mitigated a 15.3 million request-per-second (rps) DDoS attack — one of the largest HTTPS DDoS attacks on record...
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April 13, 2022 12:58 PM
Cloudflare partners with Kentik to enhance on-demand DDoS protection
We are excited to announce that as of today, network security teams can procure and use Magic Transit, Cloudflare’s industry-leading DDoS mitigation solution, and Kentik’s network observability as an integrated solution...
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April 12, 2022 1:12 PM
DDoS Attack Trends for 2022 Q1
Welcome to our first DDoS report of 2022, and the ninth in total so far. This report includes new data points and insights both in the application-layer and network-layer sections — as observed across the global Cloudflare network between January and March 2022...
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March 08, 2022 3:22 PM
CVE-2022-26143: A Zero-Day vulnerability for launching UDP amplification DDoS attacks
A zero-day vulnerability in the Mitel MiCollab business phone system has recently been discovered (CVE-2022-26143). This vulnerability, called TP240PhoneHome, which Cloudflare customers are already protected against, can be used to launch UDP amplification attacks...
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March 08, 2022 2:59 PM
CVE-2022-26143: TP240PhoneHome reflection/amplification DDoS attack vector
A new reflection/amplification distributed denial-of-service (DDoS) vector with a record-breaking potential amplification ratio of 4,294,967,296:1 has been abused by attackers in the wild to launch multiple high-impact DDoS attacks...
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March 04, 2022 4:46 PM
Shields up: free Cloudflare services to improve your cyber readiness
Whether you’re a seasoned IT professional or a novice website operator, these free Cloudflare resources are available for you today. Beyond these free resources, there are a few simple steps that you can take to help stay protected online...
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January 17, 2022 2:19 PM
Cloudflare customers on Free plans can now also get real-time DDoS alerts
We’re excited to announce that customers using our Free plan can now get real-time alerts about HTTP DDoS attacks that were automatically detected and mitigated by Cloudflare...
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January 10, 2022 1:58 PM
DDoS Attack Trends for Q4 2021
In Q4, we observed a 95% increase in L3/4 DDoS attacks and record-breaking levels of Ransom DDoS attacks. The Manufacturing industry was the most targeted alongside a 5,800% increase in SNMP-based DDoS attacks and massive campaigns against VoIP providers around the world...
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December 09, 2021 1:59 PM
How to customize your layer 3/4 DDoS protection settings
Cloudflare Enterprise customers using the Magic Transit and Spectrum services can now tune and tweak their L3/4 DDoS protection settings directly from the Cloudflare dashboard or via the Cloudflare API....
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November 13, 2021 2:33 PM
Cloudflare blocks an almost 2 Tbps multi-vector DDoS attack
Earlier this week, Cloudflare automatically detected and mitigated a DDoS attack that peaked just below 2 Tbps — the largest we’ve seen to date....
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November 09, 2021 12:59 PM
A Brief History of the Meris Botnet
Over the past months, we’ve been tracking and analyzing the activity of the Meris botnet....
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November 04, 2021 12:58 PM
DDoS Attack Trends for Q3 2021
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....
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October 07, 2021 2:20 AM
Update on recent VoIP attacks: What should I do if I’m attacked?
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....
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October 01, 2021 12:05 AM
May I ask who’s calling, please? A recent rise in VoIP DDoS attacks
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. ...
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