Mirai

April 27, 2025

Targeted by 20.5 million DDoS attacks, up 358% year-over-year: Cloudflares 2025 Q1 DDoS Threat Report

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.

January 21, 2025

Record-breaking 5.6 Tbps DDoS attack and global DDoS trends for 2024 Q4

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

April 16, 2024

DDoS threat report for 2024 Q1

2024 started with a bang. Cloudflares 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

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 weve seen to date.

November 9, 2021

A Brief History of the Meris Botnet

Over the past months, weve been tracking and analyzing the activity of the Meris botnet.

August 19, 2021

Cloudflare thwarts 17.2M rps DDoS attack the largest ever reported

Earlier this summer, Cloudflares 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.

September 16, 2020

Moobot vs. Gatebot: Cloudflare Automatically Blocks Botnet DDoS Attack Topping At 654 Gbps

On July 3, Cloudflares global DDoS protection system, Gatebot, automatically detected and mitigated a UDP-based DDoS attack that peaked at 654 Gbps. The attack was part of a ten-day multi-vector DDoS campaign targeting a Magic Transit customer and was mitigated without any human intervention.

December 14, 2017

Inside the infamous Mirai IoT Botnet: A Retrospective Analysis

This post offers a retrospective on Mirai, the infamous IoT botnet that disrupted major websites with massive DDoS attacks, leveraging hundreds of thousands of compromised Internet-of-Things devices.