Security · Aug 21
Cloudflare Workers revisits Spectre, and serverless builders should listen
Cloudflare's reassessment is a reminder that edge platforms need isolation designs built for remote side channels, not nostalgia.
- Ask serverless vendors how they limit timers, concurrency, and tenant placement risks.
- Treat Spectre as an ongoing isolation design issue, not a solved browser problem.
- Design runtimes early with side channel limits, before compatibility makes safer APIs harder to remove.