Breach Intelligence Report 30 May 2025

CounterStrike CN Leak: 332K Passwords Exposed. Yours Might Be One.

HEROIC
HEROIC Threat Intelligence Team
Email Address Plaintext Password
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Records Exposed 332,953
Source Type Database
Origin Darkweb
Password Type Plaintext

HEROIC analysts recieved and flagged the CounterStrike CN database breach in October 2017, uncovering a leak that exposed 332,953 user records from a Chinese gaming portal tied to the Counter-Strike community. The compromised data included email addresses and plaintext passwords, meaning passwords were stored with zero protection. That is not a minor oversight. It is a fundamental failure that puts every affected account at serious risk, particularly for users who reused those credentials on other platforms.


Why Plaintext Passwords Are a Gift to Hackers

When passwords are stored in plaintext, attackers do not need to crack anything. They simply read the file and log in. With 332,953 email and password pairs from CounterStrike CN, criminals can run automated login attempts across hundreds of websites and apps. This technique, known as credential stuffing, is partcularly dangerous because most people reuse passwords. One old gaming account breach can unlock email, banking, and work accounts all at once.


What Was Exposed in the CounterStrike CN Breach

  • Email Address
  • Plaintext Password

Why This Gaming Breach Still Matters Today

Breaches from 2017 do not expire. Attackers archive stolen data and resurface it years later in credential stuffing campaigns, phishing attacks, and account takeover schemes. If you used CounterStrike CN and reused that password on other accounts, those accounts remain vulernable right now. Financial fraud and identity theft can follow quickly once someone gains access to an email account connected to other services.


How a Database Breach Works

A database breach happens when attackers find a weakness in a website or its underlying software and extract the records stored inside. In this case, the CounterStrike CN database was accessed without authorization and the contents, including user credentials, were pulled out. Once attackers have a database dump, they can share or sell it on underground markets where other criminals use it for further attacks.


Check If Your Data Was Exposed

HEROIC offers a free breach scanner backed by a database of over 400 billion compromised records. You can search your email address right now to find out if your credentials from CounterStrike CN or any other breach are in criminal hands. Do not wait for a problem to appear. Check today and take back control of your accounts.

Breach Breakdown

Domain N/A
Leaked Data Email Address, Plaintext Password
Password Types Plaintext
Date Leaked 30 May 2025
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Private & Secure No Account Needed 2,755 scanned today
Breach Rank #3,343 by affected users
Impact Score
13
sensitivity + scale + recency
Est. Financial Impact $2.4M fraud, phishing & misuse risk
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  • Financial information
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Identity Theft Risk Score

Risk Score: 8.7/10 - Critical

Data Exposure Analysis

Passwords Critical
Financial High
Personal Medium
Social High
Security Critical

Breach Timeline Analysis

March 2024 Multiple credentials exposed in recent data breach
January 2024 Password found in dark web marketplace
December 2023 Personal information leaked in major security incident

Security Recommendations

High Priority
Password Security

Critical: Change compromised passwords immediately and enable 2FA on all accounts

Important
Financial Protection

Monitor credit reports and set up fraud alerts with major credit bureaus

Recommended
Identity Protection

Enable advanced identity monitoring and dark web surveillance