Yikes!

https://www.techradar.com/pro/security/cloudflare-says-it-has-once-again-blocked-the-largest-ever-ddos-attack-in-history

Cloudflare has said it recently successfully stopped the largest distributed denial-of-service (DDoS) attack ever recorded. The attack reached 22.2 terabits per second and 10.6 billion packets per second, setting a new world record.