An August reading list about online security and 2023 attacks landscape
August 21, 2023 1:00 PM
Here is a reading list with 2023 trends, what you need to know about attacks, and a guide on how to stay protected using Cloudflare...
SLP: a new DDoS amplification vector in the wild
April 25, 2023 1:07 PM
Researchers have recently published the discovery of a new DDoS reflection/amplification attack vector leveraging the SLP protocol. Cloudflare expects the prevalence of SLP-based DDoS attacks to rise in the coming weeks...
Killnet and AnonymousSudan DDoS attack Australian university websites, and threaten more attacks — here’s what to do about it
March 29, 2023 11:10 AM
Over the past 24 hours, Cloudflare has observed HTTP DDoS attacks targeting university websites in Australia. Universities were the first of several groups publicly targeted by the pro-Russian hacker group Killnet and their affiliate AnonymousSudan, as revealed in a recent Telegram post...
Cloudflare mitigates record-breaking 71 million request-per-second DDoS attack
February 13, 2023 6:37 PM
This was a weekend of record-breaking DDoS attacks. Over the weekend, Cloudflare detected and mitigated dozens of hyper-volumetric DDoS attacks. The majority of attacks peaked in the ballpark of 50-70 million requests per second (rps) with the largest exceeding 71 million rps...
Cyberattacks on Holocaust educational websites increased in 2022
January 27, 2023 2:00 PM
Today, 78 years after the liberation of the Auschwitz death camp, we mark the International Holocaust Remembrance Day. With Cloudflare’s Project Galileo, we protect Holocaust educational websites and at risk public interest groups. Read more to see how attacks on these groups increased in 2022....
MORE POSTS
July 11, 2022 12:57 PM
Introducing Location-Aware DDoS Protection
Location-Aware DDoS Protection is now available in beta for Cloudflare Enterprise customers that are subscribed to the Advanced DDoS service...
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July 06, 2022 12:55 PM
DDoS attack trends for 2022 Q2
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...
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June 14, 2022 12:56 PM
Cloudflare mitigates 26 million request per second DDoS attack
Last week, Cloudflare automatically detected and mitigated a 26 million request per second DDoS attack — the largest HTTPS DDoS attack on record...
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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 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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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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November 29, 2021 6:30 PM
Attack Maps now available on Radar
We love line and bar graphs, but some data is best represented with different visualizations. We’re introducing world maps and sankey visualizations as part of Radar Maps, which are being used today to show you the top layer 7 attacks in real time....
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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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March 26, 2021 1:00 PM
Mitigating Bot Attacks against Cloudflare
The word “bots” on the Internet is a fairly loaded one. My earliest ‘bot’ experience was on IRC, where bots were quite helpful in making sure your favorite channel didn’t get taken over by malicious users and allowed for fun games of trivia....
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March 23, 2021 1:00 PM
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....
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February 26, 2021 11:00 PM
Flow-based monitoring for Magic Transit
Today, we’re announcing new functionality to improve the experience for on demand Magic Transit customers: flow-based monitoring. Flow-based monitoring allows us to detect and notify customers when they’re under attack so they can activate Magic Transit for protection....
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