Breaking News Cloudflare: We never authorized polyfill.io to use our name BleepingComputer Daniel Bender Jun 27, 2024 Cloudflare, a lead provider of content delivery network (CDN) services, cloud security, and DDoS protection has warned that it has not authorized the use of its name or logo on the Polyfill.io website, which has recently been caught injecting malware on more than 100,000 websites in a significant supply chain attack.