Cloudflare published a blog post in 2024 detailing large-scale DDoS attacks observed across its network [1]. The company described attack volumes, techniques, and observed industry impacts [1]. Enterprises should review DDoS protection and capacity planning for external-facing services and prepare backup communication channels [1].
Backfill: this event became public on Oct 29, 2024 and we added it on Nov 10, 2026. It is not a new event.
MediumMonitoringBackfillOfficially confirmed
Cloudflare Details Observed Large-Scale DDoS Attack Campaigns
1 min read
- Disclosed
- Oct 29, 2024
- Published
- Nov 10, 2026
- Last updated
- Nov 12, 2026
- CVSS basis
- Our assessment
- Attack vector
- Impact
- Actor type
- Motivation
On this page
30-second summary
What happened
Who is affected
Industries mainly affected: Technology, Cross-industry
What to do nowOur advice
Enterprises should review DDoS protection and capacity planning for external-facing services and prepare backup communication channels [1].
Timeline
- Incident publicly disclosed[1]
Technical details
Source-Supported Details
Cloudflare's official blog disclosed large-scale activities it mitigated or observed. While this represents threat observation rather than a single victim notification, it constitutes citable official DDoS intelligence [1].
Source excerpt: "Welcome to the 19th edition of the Cloudflare DDoS Threat Report." [1].
References
Official / primary1
- [1]
“Welcome to the 19th edition of the Cloudflare DDoS Threat Report.”
Corrections
- · countries: 攻擊來源：美國 → 原本把美國標成攻擊來源，但來源沒有指出攻擊者來自美國或受其支持，因此移除。
This site aggregates public information and is not security consulting advice. Test remediation steps before applying.