Companies, even large ones, haven’t considered disaster recovery plans outside of their primary cloud providers own infrastructure as regularly as they should. In March of this year, Amazon Web Services (AWS) had a massive failure which directly impacted some of the world’s largest brands, taking them offline for several hours. In this case, it was not a malicious attack but the end result was the same— an outage.

https://blog.radware.com/security/2018/10/disaster-recovery-data-center-or-host-infrastructure-reroute/