### MORE POSTS

July 08, 2024 3:52 PM

###### French elections: political cyber attacks and Internet traffic shifts

Check the dynamics of the 2024 French legislative elections, the surprising election results’ impact on Internet traffic changes, and the cyber attacks targeting political parties...

June 26, 2024 8:23 PM

###### Automatically replacing polyfill.io links with Cloudflare’s mirror for a safer Internet

polyfill.io, a popular JavaScript library service, can no longer be trusted and should be removed from websites...

June 06, 2024 7:23 PM

###### Dutch political websites hit by cyber attacks as EU voting starts

The 2024 European Parliament election began in the Netherlands on June 6. Cloudflare mitigated several multi-hour DDoS attacks on Dutch political websites on June 5 and 6...

April 16, 2024 1:00 PM

###### DDoS threat report for 2024 Q1

2024 started with a bang. Cloudflare’s autonomous systems mitigated over 4.5 million DDoS attacks in the first quarter of the year — a 50% increase compared to the previous year.
Read the full coverage...

March 06, 2024 2:00 PM

###### Eliminate VPN vulnerabilities with Cloudflare One

The Cybersecurity & Infrastructure Security Agency (CISA) recently issued an Emergency Directive due to the Ivanti Connect Secure and Policy Secure vulnerabilities. In this blog, we discuss the threat actor tactics exploiting these vulnerabilities...

January 09, 2024 2:00 PM

###### DDoS threat report for 2023 Q4

Welcome to the sixteenth edition of Cloudflare’s DDoS Threat Report. This edition covers DDoS trends and key findings for the fourth and final quarter of the year 2023, complete with a review of major trends throughout the year...

October 26, 2023 1:00 PM

###### DDoS threat report for 2023 Q3

In the past quarter, DDoS attacks surged by 65%. Gaming and Gambling companies were the most attacked and Cloudflare mitigated thousands of hyper-volumetric DDoS attacks. The largest attacks we saw peaked at 201 million rps and 2.6 Tbps....

October 23, 2023 1:32 PM

###### Cyber attacks in the Israel-Hamas war

Since the October 7 Hamas attack, DDoS attackers have been targeting Israeli newspaper and media websites as well as software companies and financial institutions. ...

October 10, 2023 12:02 PM

###### HTTP/2 Rapid Reset: deconstructing the record-breaking attack

This post dives into the details of the HTTP/2 protocol, the feature that attackers exploited to generate the massive Rapid Reset attacks, and the mitigation strategies we took to ensure all our customers are protected...

October 10, 2023 12:02 PM

###### HTTP/2 Zero-Day vulnerability results in record-breaking DDoS attacks

The “HTTP/2 Rapid Reset” attack exploits a weakness in the HTTP/2 protocol to generate enormous, hyper-volumetric DDoS attacks. Cloudflare has mitigated a barrage of these attacks in recent months, including an attack three times larger than any previous attack we’ve observed...

August 31, 2023 4:33 PM

###### Cloudflare Radar’s 2023 overview of new tools and insights

In this reading list, we want to highlight some of the new additions to Radar, as well as some of the Internet disruptions and trends we’ve observed and published posts about during this year...

August 21, 2023 1:00 PM

###### An August reading list about online security and 2023 attacks landscape

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...

April 25, 2023 1:07 PM

###### SLP: a new DDoS amplification vector in the wild

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...

March 29, 2023 11:10 AM

###### Killnet and AnonymousSudan DDoS attack Australian university websites, and threaten more attacks — here’s what to do about it

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 Telegr...

February 13, 2023 6:37 PM

###### Cloudflare mitigates record-breaking 71 million request-per-second DDoS attack

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...