FoxIO describes QPACK amplification attacks against HTTP/3 servers
The October 21 oss-security note only links a FoxIO blog and says the write-up has more detail.
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Stories tagged #amplification
CDN Tsunami Attack Abuses HTTP/3 Translation for Up to 350x DoS Amplification
Researchers disclosed two DoS attacks exploiting CDNs' HTTP/3-to-HTTP/1.1 translation to amplify low-bandwidth requests up to 350x against origin servers.
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DDoS attacks hit record scale as 1 Tbps+ campaigns become more common
Cloudflare's H1 2026 report shows record DDoS scale, with more 1 Tbps+ attacks, multi-vector campaigns, and hacktivist surges against governments.
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