Bluesky Recovers from 24-Hour Outage Caused by Massive Distributed Denial of Service Attack
Written by Dillip Chowdary
Senior Tech Editor & Systems Architect
Bluesky has successfully mitigated a crippling 24-hour DDoS cyberattack that overwhelmed its authentication servers and AT Protocol relay nodes.
Analyzing the Scale and Vector of the Distributed Attack
Decentralized social platform Bluesky experienced a major 24-hour service disruption after being targeted by a sophisticated distributed denial-of-service (DDoS) attack. The malicious traffic burst exceeded 1.8 Terabits per second, overwhelming the network primary indexing relays.
Bluesky engineering team worked alongside Cloudflare to deploy custom Anycast mitigation rules and rate-limiting protocols. While core user timeline feeds were temporarily unresponsive, stored account data and cryptographic identity keys remained fully intact.
Get High-Signal Tech Briefings Delivered Daily
Join 45,000+ senior engineers, founders, and tech executives who get our 5-minute executive breakdown every morning. Zero fluff, 100% actionable signal.
Hardening Decentralized Relay Infrastructure Against Botnets
Company leadership confirmed that infrastructure resilience upgrades have been applied to AT Protocol federated servers to protect against future large-scale botnet floods as user growth continues to surge.