2025-04-27
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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2025-01-21
2024 ended with a bang. Cloudflare mitigated another record-breaking DDoS attack peaking at 5.6 Tbps....
2024-04-16
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...
2021-11-09
Over the past months, we’ve been tracking and analyzing the activity of the Meris botnet....
August 19, 2021 12:58 PM
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. ...
September 16, 2020 11:00 AM
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...
December 14, 2017 7:41 PM
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....
