Mastodon DDoS Incident Highlights Availability Risk Across Decentralized Social Platforms Published: April 20, 2026 02:36 PM CDT (America/Chicago) Mastodon says its flagship server was hit by a distributed denial-of-service (DDoS) attack, adding fresh urgency to resilience planning across ... Cybersecurity DDoS Infrastructure Platform Reliability Social Media Apr 20, 2026