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Bluesky Outage: Coordinated Traffic Attack Causes Widespread Errors

ID: 0f684ee2-e8b4-56f4-a96f-f700bc8f006c

STIX ID: report--0f684ee2-e8b4-56f4-a96f-f700bc8f006c

Feed Name: TechRepublic Security

Threat Score
50/100

Date Published: 2026-04-17

Date Updated: 2026-04-23

Author: Kezia Jungco

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## Executive summary: Bluesky suffered a sustained and escalating Distributed Denial-of-Service (DDoS) attack that disrupted feeds, notifications, search, and key API servers across multiple days; the platform mitigated the attack and reported no evidence of unauthorized access to user data.

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