Red Hat confirms major data breach after hackers claim mega haul - Cyber Security Review
Menu

Cyber Security Review

News • Insights • Analysis

Primary Menu

Skip to content
  • About
    • Advanced Persistent Threat
    • Artificial Intelligence
    • Critical Infrastructure Protection
      • Aviation
      • Banking and Finance
      • Defence and Aerospace
      • Education and Academia
      • Energy
      • Government
      • Healthcare
      • Industrial Security
      • Telecommunications
      • Transportation
      • Utilities
    • Cybercrime
      • DDoS
    • Malware
    • Network Security
  • News
    • News – September 2026
    • News – August 2026
    • News – July 2026
    • News – June 2026
    • News – May 2026
    • News – April 2026
    • News – March 2026
    • News – February 2026
    • News – January 2026
    • News – December 2025
    • News – November 2025
    • News – October 2025
    • News – September 2025
    • NEWS ARCHIVE
  • Articles
  • Events
  • Editorial
  • Subscribe
  • Advertise
Search

Red Hat confirms major data breach after hackers claim mega haul

Posted onOctober 2, 2025October 2, 2025AuthorCyber Security Review


Red Hat has confirmed suffering a potentially serious data breach, but the company said it was not able to verify hacker claims of stolen customer secrets.

A hacking group called Crimson Collective claims to have accessed Red Hat’s private GitHub repositories, and exfiltrated approximately 570GB of different files from 28,000 internal projects. Among the files were 800 Customer Engagement Records (CER) – internal consulting documents that Red Hat created to support enterprise clients, and typically include detailed infrastructure information (network architecture, system configuration, etc).

Read more…
Source: TechRadar News


Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox


Related:

  • MyDeal data breach impacts 2.2M users, stolen data for sale online

    October 17, 2022

    Woolworths’ MyDeal subsidiary has disclosed a data breach affecting 2.2 million customers, with the hacker trying to sell the stolen data on a hacker forum. MyDeal is an Australian retail marketplace that connects online shoppers with local retailers. Retail giant Woolworths purchased 80% of the company in September but said their systems are on a completely different ...

  • Intel Alder Lake BIOS code leak may contain vital secrets

    October 10, 2022

    Source code for the BIOS used with Intel’s 12th-gen Core processors has been leaked online, possibly including details of undocumented model-specific registers (MSRs) and even the private signing key for Intel’s Boot Guard security technology. The source code was apparently shared via 4chan and GitHub, in a file containing tools and code for generating and optimizing ...

  • ADATA denies RansomHouse cyberattack, says leaked data from 2021 breach

    October 8, 2022

    Taiwanese chip maker ADATA denies claims of a RansomHouse cyberattack after the threat actors began posting stolen files on their data leak site. The RansomHouse gang added ADATA files to their data leak site on Tuesday, claiming they stole 1TB worth of documents in a 2022 cyberattack.The threat actors also leaked samples of allegedly stolen files, ...

  • Shangri-La hotel chain confirms data leak

    October 5, 2022

    Hotel chain Shangri-La Group has admitted to its systems being attacked, and personal data describing guests accessed by unknown parties, over a timeframe that includes the dates on which a high-level international defence conference was staged at one of its Singapore properties. “Shangri-La Group recently discovered unauthorized activities on our IT network,” states a notice from ...

  • Optus confirms 2.1 million ID numbers exposed in data breach

    October 4, 2022

    Optus confirmed yesterday that 2.1 million customers had government identification numbers compromised during a cyberattack last month. In a press statement released yesterday, the mobile carrier updated the information regarding the personal data of 9.8 million customers exposed during the attack. In an investigation, Optus confirmed that a total of 2.1 million customers had valid or expired ...

  • How Ransomware Is Causing Chaos in American Schools

    October 3, 2022

    May 19, 2021 was supposed to be just another day at the end of the school year at Sierra College, a community college in Rocklin, California. Instead, hackers hit the school with ransomware, throwing it into chaos. “We are experiencing a major cybersecurity event this morning that is impacting the majority of services at Sierra College,” ...

  • <<
  • 1
  • ...
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • ...
  • 182
  • >>

CategoriesNews October 2025TagsCrimson Collective, Cyber Attack, Cybercrime, Data Breach, Linux, Metadata, PII, Privacy

Post navigation

← Previous Previous post: US Air Force admits SharePoint privacy issue as reports trickle out of possible breach
Next → Next post: Confucius Espionage: From Stealer to Backdoor

LATEST ARTICLES


THE STRATEGIC IMPORTANCE OF DIGITAL SOVEREIGNTY IN 2026
By Alexandre Grellier, CEO, Drooms
Cyber Security Review online – May 2026


A BEGINNER’S ROADMAP: HOW TO START YOUR AI SOC AGENT IMPLEMENTATION
By Kirsten Doyle
Cyber Security Review online – November 2025


THE PEOPLE BEHIND THE PIXELS: WHY CYBERSECURITY IN CRITICAL INDUSTRIES IS MORE HUMAN THAN EVER
Cyber Security Review online – July 2025


HOW TO MAXIMIZE EXCHANGE SERVER UPTIME? - SOME BEST PRACTICES
Cyber Security Review online – June 2025


KEY METRICS TO TRACK WHEN IMPLEMENTING AI IN YOUR SOC
By Josh Breaker-Rolfe
Cyber Security Review online – December 2024


ACHIEVING DATA SECURITY RESILIENCE WITH DSPM TOOLS
By Katrina Thompson
Cyber Security Review online – November 2024


CYBER SECURITY IN CRITICAL INDUSTRIES: CHALLENGES, SOLUTIONS, AND THE ROAD AHEAD
Cyber Security Review online – August 2024


HOW TO ENGAGE YOUR EMPLOYEES IN SECURITY AWARENESS TRAINING
Cyber Security Review online – April 2024


WHY IMMINENT SEC CYBER RULE CHANGES MEANS CYBER SECURITY LEADERSHIP MUST COME FROM THE VERY TOP
By Miguel Clarke, GRC and Cyber Security lead for Armor Defense
Cyber Security Review online – November 2023


WHAT COULD YOU DO IF YOU KNEW HOW EVERY PIECE OF DATA WAS BEING USED?
By Ross Moore, Cyber Security Support Analyst with Passageways
Cyber Security Review online – October 2023

A BRIEF HISTORY OF DATA LOSS PREVENTION
Cyber Security Review online –  July 2023


THE 5 ESSENTIAL CYBERSECURITY AWARENESS TRAINING TIPS FOR A MORE SECURE ENVIRONMENT
Cyber Security Review online –  June 2023


THE 8-STEP COMPREHENSIVE CHECKLIST FOR APPLICATION SECURITY IN 2023
Cyber Security Review online –  April 2023

THE NETWORK SECURITY CHALLENGE:
Improving Visibility to Defend Against Cyberthreats
By Kev Eley, Vice President Sales UK and Europe at LogRhythm

SWEDEN LAUNCHES EUROPE’S MOST ADVANCED HUB FOR AUTOMOTIVE CYBER SECURITY
Research Institute engages ethical hackers and the latest research in cyber technology to combat spiraling threats to connected vehicles  

Resources  |  Contact us  |  Advertise  |  User Login



Copyright © 2026 Cyber Security Review. All Rights Reserved. Privacy Policy
Catch Base by Catch Themes
Scroll Up
  • About
    • Advanced Persistent Threat
    • Artificial Intelligence
    • Critical Infrastructure Protection
      • Aviation
      • Banking and Finance
      • Defence and Aerospace
      • Education and Academia
      • Energy
      • Government
      • Healthcare
      • Industrial Security
      • Telecommunications
      • Transportation
      • Utilities
    • Cybercrime
      • DDoS
    • Malware
    • Network Security
  • News
    • News – September 2026
    • News – August 2026
    • News – July 2026
    • News – June 2026
    • News – May 2026
    • News – April 2026
    • News – March 2026
    • News – February 2026
    • News – January 2026
    • News – December 2025
    • News – November 2025
    • News – October 2025
    • News – September 2025
    • NEWS ARCHIVE
  • Articles
  • Events
  • Editorial
  • Subscribe
  • Advertise