Targeted by 20.5 million DDoS attacks, up 358% year-over-year: Cloudflare’s 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.
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Mirai
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.
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
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.
A Brief History of the Meris Botnet
Over the past months, we’ve been tracking and analyzing the activity of the Meris botnet.
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.
Moobot vs. Gatebot: Cloudflare Automatically Blocks Botnet DDoS Attack Topping At 654 Gbps
On July 3, Cloudflare’s 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.
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.
