Breach Intelligence Report 11 Nov 2025

KATANA_CLOUD FREE Dump: 19,936 Stolen Login Credentials Exposed

HEROIC
HEROIC Threat Intelligence Team
Email Addresses Plaintext Password Urls
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Records Exposed 19,936
Source Type Stealer log
Origin Telegram
Password Type plaintext

HEROIC analysts found a stealer log named "KATANA_CLOUD FREE" uploaded to a public Telegram channel on April 6, 2024. The file contains 19,936 records of email addresses, plaintext passwords, and associated URLs, harvested directly from infected devices rather than a breach of any single company's servers.

Why the KATANA_CLOUD FREE Dump Is Dangerous

Because the passwords in this file are plaintext and each one is matched to the exact URL it unlocks, an attacker can try logging in immediately without cracking or guessing anything. With nearly 20,000 credential pairs available in one file, this leak gives attackers a large, ready-made list to work through.

What Was Exposed in the KATANA_CLOUD FREE Dump

  • Email addresses
  • Plaintext passwords
  • Associated login URLs

Why This Matters for the 19,936 People Affected

Reused passwords are the biggest danger here. If someone in this dataset used the same password across email, banking, or social media accounts, an attacker can run credential stuffing attacks to break into those too, opening the door to identity theft and financial fraud.

How Stealer Logs Like KATANA_CLOUD FREE Get Created

Stealer logs come from infostealer malware that infects a device through a fake download, cracked software, or a malicious attachment. Once running, it quietly copies saved browser passwords, autofill data, and login URLs, then sends everything back to the attacker. The resulting file, like this KATANA_CLOUD FREE upload, is packaged and shared or sold through Telegram channels and dark web marketplaces.

Check If You Are Affected by the KATANA_CLOUD FREE Leak

If you think your credentials might be part of this leak, run a free scan with HEROIC's breach checker, which searches a database of more than 400 billion leaked records. If you find a match, change that password everywhere you have reused it.

Breach Breakdown

Domain N/A
Leaked Data Email Addresses,Plaintext Password,URLs
Password Types plaintext
Date Leaked 11 Nov 2025
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Private & Secure No Account Needed 2,237 scanned today
Breach Rank #N/A by affected users
Impact Score
1
sensitivity + scale + recency
Est. Financial Impact $144.3K fraud, phishing & misuse risk
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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