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Attack on Managed DNS Firm Hobbles Twitter, Spotify, Others

ID: 8b859a43-a204-5190-9a67-b797d98d60ff

STIX ID: report--8b859a43-a204-5190-9a67-b797d98d60ff

Feed Name: Security Ledger

Threat Score
75/100

Date Published: 2016-10-21

Date Updated: 2026-05-05

Author: Paul Roberts

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A sustained distributed denial-of-service (DDoS) attack against Dyn's managed DNS disrupted resolution for major services (Twitter, Spotify, CNN). The report outlines the incident timeline, explains DNS architecture and how DDoS against authoritative DNS can cause widespread outages, and discusses the possibility of Mirai-like IoT botnets being involved while noting attribution and concrete indicators remain unclear.

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