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Grubhub Confirms Major Data Breach Linked to ShinyHunters Group

First seen 19 Jan 2026, 22:36 UTC • •

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ThreatCluster •March 12, 2026 at 13:27 UTC

Grubhub has confirmed a significant data breach attributed to the hacking group ShinyHunters. The breach involves the scraping of data from WorldCat, affecting numerous users. The group has threatened further exposure of sensitive information.

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