Jorge Pacheco

The number of DDoS attacks more than doubled in 2025. The network layer is under particular threat as hyper-volumetric attacks grew 700%.

Omer Yoachimik, Jorge Pacheco, and Cloudforce One

Welcome to the 23rd edition of Cloudflare’s Quarterly DDoS Threat Report. This report offers a comprehensive analysis of the evolving threat landscape of Distributed Denial of Service (DDoS) attacks based on data from the Cloudflare network. In this edition, we focus on the third quarter of 2025.

Omer Yoachimik and Jorge Pacheco

We’ve partnered with marimo to bring their best-in-class Python notebook experience to your Cloudflare data.

Carlos Rodrigues, Jorge Pacheco, Keith Adler, Akshay Agrawal, and Myles Scolnick

June was the busiest month for DDoS attacks in 2025 Q2, accounting for nearly 38% of all observed activity.

Omer Yoachimik and Jorge Pacheco

From May 2024 to May 2025, crawler traffic rose 18%, with GPTBot growing 305% and Googlebot 96%.

João Tomé, Jorge Pacheco, and Carlos Azevedo

DDoS attacks are surging. In 2025 Q1, Cloudflare blocked +20M attacks (a 358% YoY spike) along with 5.6 Tbps and 4.8 Bpps record-breaking attacks.

Omer Yoachimik and Jorge Pacheco

2024 ended with a bang. Cloudflare mitigated another record-breaking DDoS attack peaking at 5.6 Tbps.

Omer Yoachimik and Jorge Pacheco

The number of DDoS attacks spiked in the third quarter of 2024. Cloudflare mitigated nearly 6 million DDoS attacks, representing a 49% increase QoQ and 55% increase YoY.

Omer Yoachimik and Jorge Pacheco

This blog post explores the impact of the Paris 2024 Summer Olympics on Internet traffic in France and beyond, concentrating on web activity during the opening ceremony and the initial days of competition. Let the games continue.

João Tomé and Jorge Pacheco

As the Paris 2024 Olympics approach, our analysis reveals France, the host nation, leads in DNS traffic to official Olympic sites, followed by the UK, the US, and Australia

João Tomé and Jorge Pacheco

This week, the Republican National Convention was hosted in Milwaukee, Wisconsin from July 15 to 18, 2024. We examined traffic shifts and cyberattacks since June 2024 to see how these events have

João Tomé, Jorge Pacheco, and Jocelyn Woolbright

Welcome to the 18th edition of the Cloudflare DDoS Threat Report. Released quarterly, these reports provide an in-depth analysis of the DDoS threat landscape as observed across the Cloudflare network. This edition focuses on the second quarter of 2024

Omer Yoachimik and Jorge Pacheco

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

Omer Yoachimik and Jorge Pacheco

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

Omer Yoachimik and Jorge Pacheco

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.

Omer Yoachimik and Jorge Pacheco

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

Omer Yoachimik and Jorge Pacheco

Q2 2023 saw an unprecedented escalation in DDoS attack sophistication. Pro-Russian hacktivists REvil, Killnet and Anonymous Sudan joined forces to attack Western sites. Mitel vulnerability exploits surged by a whopping 532%, and attacks on crypto rocketed up by 600%.

Omer Yoachimik and Jorge Pacheco

Threat actors kicked off 2023 with a bang. The start of the year was characterized by a series of hacktivist campaigns against Western targets, and record-breaking hyper volumetric attacks

Omer Yoachimik and Jorge Pacheco