Cloudflare blocks 15M rps HTTPS DDoS attack
April 27, 2022
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...
Cloudflare partners with Kentik to enhance on-demand DDoS protection
April 13, 2022
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...
DDoS Attack Trends for 2022 Q1
April 12, 2022
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...
CVE-2022-26143: A Zero-Day vulnerability for launching UDP amplification DDoS attacks
March 08, 2022
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...
CVE-2022-26143: TP240PhoneHome reflection/amplification DDoS attack vector
March 08, 2022
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...
MORE POSTS
January 17, 2022
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...
- By
January 10, 2022
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...
- By
December 09, 2021
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....
- By
November 13, 2021
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....
- By
November 09, 2021
A Brief History of the Meris Botnet
Over the past months, we’ve been tracking and analyzing the activity of the Meris botnet....
- By
November 04, 2021
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....
- By
October 07, 2021
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....
- By
October 01, 2021
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. ...
- By
September 20, 2021
How to customize your HTTP DDoS protection settings
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. ...
- By
August 19, 2021
Cloudflare thwarts 17.2M rps DDoS attack — the largest ever reported
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. ...
- By
July 20, 2021
DDoS attack trends for 2021 Q2
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. ...
- By
April 19, 2021
DDoS attack trends for 2021 Q1
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....
- By
March 23, 2021
Anatomy of a Targeted Ransomware Attack
Imagine your most critical systems suddenly stop operating. And then someone demands a ransom to get your systems working again. Or someone launches a DDoS against you and demands a ransom to make it stop. That’s the world of ransomware and ransom DDoS....
- By
March 18, 2021
A deep-dive into Cloudflare’s autonomous edge DDoS protection
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 int...
- By