Threat Group ‘Crimson Collective’ Allegedly Claim Breach of Largest Fiber Broadband Brightspeed

Cybersecuritynews •Tushar Subhra Dutta • January 5, 2026

Brightspeed, one of America’s leading fiber broadband infrastructure providers, has become the latest victim of a significant cyberattack. The threat group known as Crimson Collective has publicly claimed responsibility for breaching the company’s systems and obtaining sensitive data. Brightspeed operates across 20 states with network infrastructure capable of serving 7.3 million homes and businesses, making […]

The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Crimson Collective Breaches Brightspeed Fiber Broadband Systems Brightspeed, a major fiber broadband provider in the U.S., has been breached by the threat group Crimson Collective. The attackers claimed responsibility for accessing sensitive data from Brightspeed's systems, impacting its extensive network infrastructure serving millions of homes and businesses across 20 states. 9 sources 33

Threat Group ‘Crimson Collective’ Allegedly Claim Breach of Largest Fiber Broadband Brightspeed

The full story

Extracted Entities

Attack Types (1)

Companies (1)