How can a service like Fastly have such an impact on the Internet?



  • Fastly WAF service was down a while ago, and it has affected a lot of major internet platforms and sites such as Amazon, PayPal, eBay, Spotify, HBO Max, the UK's main government website - Gov.uk, and many more. This has affected dozens of countries across North & South America, Europe, Asia, and South Africa.

    How can one service on the Internet make such an impact? Isn't this a huge security risk?



  • The internet is not as decentralized as you might think. A small number of companies that provide CDN and WAF services (e.g. Fastly, Amazon AWS, Cloudflare, Akamai) serve a disproportionate amount of the content that we consume on the internet. The sites that you mentioned in your question (and incidentally, StackOverflow and StackExchange as well) all relied on Fastly for content needed in order for these sites to function.



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