Often touted as the ultimate insurance policy against outages, multi-CDNs can lull businesses into a false sense of security. In this QuickCast, we pull back the curtain on the hidden dangers and often-overlooked realities of multi-CDN deployments. While the promise is seamless recovery, the reality includes high 'premiums' and 'deductibles'—the significant impact incidents still cause. More critically, we uncover how diverse CDN providers can surprisingly share identical underlying network i…