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One million customers on alert as extortion group claims massive Brightspeed data haul

ID: 72352184-c5c1-5584-92bd-48e4b88d69e7

STIX ID: report--72352184-c5c1-5584-92bd-48e4b88d69e7

Feed Name: Malwarebytes Blog

Threat Score
72/100

Date Published: 2026-01-07

Date Updated: 2026-04-28

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Brightspeed is investigating claims by the Crimson Collective extortion group that it exfiltrated sensitive data for over 1 million residential customers, including PII, account and billing records, payment methods, and appointment/order records; the group posted a 50-entry sample from multiple database tables and threatened to publish more. Brightspeed has confirmed an investigation but has not publicly corroborated the full extent of the theft or any customer-service disruptions allegedly caused by the group.

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