Breach Intelligence Report 02 Apr 2026

A Stealer Log Leaked 198 Napoleon Corp Login Credentials Online

HEROIC
HEROIC Threat Intelligence Team
Email Addresses Plaintext Password Urls
Stealer Logs UP 259 3.7K Napoleon Corp uploaded by a Telegram User
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Records Exposed 198
Source Type Stealer log
Origin United States
Password Type plaintext

Not every leak involves millions of records, and this one proves it. A small batch labeled UP 259, tied to Napoleon Corp, surfaced on Telegram on 12-Feb-2025 with just 198 records inside, but small doesn't mean safe.


Why This Is Dangerous

It's tempting to brush off a leak this size, but each of those 198 records represents a real person with a real password now sitting in a criminal's downloads folder. Attackers definately don't discriminate based on file size, a small combolist is just as easy to run through an automated login checker as a massive one.


What Was Exposed

  • 198 total records
  • Email Addresses
  • Plaintext Passwords
  • URLs tied to the exposed accounts

Why This Matters

Small stealer logs like this one often sit unnoticed untill they get folded into a larger combolist, at which point the original source becomes almost impossible to trace. That doesn't make the risk any less real for the 198 people involved, whose plaintext passwords remain just as exposed as they would be in a much bigger breach.


How Stealer Logs Get Created

Regardless of size, these logs all come from the same basic process, malware installed on a device quietly harvests saved logins and sends them to an attacker. The stolen information is then organized into a seperate file, in this case a small batch under the Napoleon Corp label, and shared or sold from there.


Check If You Are Affected

Even a small leak deserves a quick check. HEROIC's free breach scanner compares your email against a database of more than 400 billion leaked records, including this Napoleon Corp batch, so you can find out in seconds whether your information made the list.

Breach Breakdown

Domain UP 259 3.7K Napoleon Corp uploaded by a Telegram User
Leaked Data Email Addresses,Plaintext Password,URLs
Password Types plaintext
Date Leaked 02 Apr 2026
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Breach Rank #24,310 by affected users
Impact Score
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Est. Financial Impact $1.4K 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

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