Brightspeed — Cyber Attacks, Breaches & Threat Activity

Threat entity extracted from intelligence sources

Frequency
8
occurrences
First Seen
January 5, 2026
Last Seen
August 25, 2026

Related Threat Clusters

  • Critical Calix Router Flaw Exposes Home Networks to Attack

    A critical vulnerability in Calix GS5239XG routers, tracked as CVE-2026-75501, allows unauthenticated remote attackers to create port-forwarding rules, exposing internal devices to the internet. Discovered by researcher…

    4 articles · Updated August 25, 2026
  • Brightspeed Faces Class Action Lawsuits Following January Data Breach

    Brightspeed, a U.S. telecom company, is currently facing multiple class action lawsuits due to a data breach that compromised customers' personal information in January 2026. The lawsuits allege that the company failed…

    1 article · Updated March 9, 2026
  • Crimson Collective Claims Theft of Brightspeed Customer Data

    The hacking group Crimson Collective has announced the theft of personal information from over 1 million Brightspeed customers. Brightspeed is currently investigating the incident to assess the impact and secure their…

    2 articles · Updated January 5, 2026
  • 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,…

    9 articles · Updated January 5, 2026

Recent Intelligence Reports

  • Unpatched Calix router vulnerability allows remote attackers to expose home networks — Scworld · August 25, 2026
  • Calix GigaSpire Flaw Lets Strangers Control Your Home Firewall: No Patch — Techtimes · August 25, 2026
  • U.S. telecom Brightspeed faces multiple lawsuits over January data breach — Teiss · March 9, 2026
  • US broadband provider Brightspeed investigates breach claims — Bleepingcomputer · January 5, 2026
  • Crimson Collective Claims Breach of U.S. Fiber Broadband Provider Brightspeed — Thecyberexpress · January 5, 2026
  • Brightspeed Investigating Cyberattack — Securityweek · January 5, 2026
  • Brightspeed Investigating Cyberattack — Feeds.Feedburner · January 5, 2026
  • Threat Group ‘Crimson Collective’ Allegedly Claim Breach of Largest Fiber Broadband Brightspeed — Cybersecuritynews · January 5, 2026

CVSS v3.1 Breakdown