A revisit of remote Spectre attacks on Cloudflare Workers
In 2024 and 2025, we reassessed remote Spectre attacks on our Workers infrastructure. We share details about the new attack primitives like Spectre gadgets, remote timers, achieving co-location and how new defenses further harden Cloudflare Workers.
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Score breakdown
- Technical depth85
- Practical value60
- Originality60
- Writing quality100
- Source reputation90
- Recency83
- External engagement22
- On-site engagement0
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