Breach Intelligence Report 23 Apr 2026

Napoleon Corp Leak: Only 743 Accounts, But Still a Real Risk

HEROIC
HEROIC Threat Intelligence Team
Email Addresses Plaintext Password Urls
Stealer Logs UP 426 13.9K Napoleon Corp uploaded by a Telegram User
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Records Exposed 743
Source Type Stealer log
Origin United States
Password Type plaintext

Not every leak needs seven figures to matter. On November 10, 2025, a stealer log tied to "Napoleon Corp" was uploaded to Telegram, and while the file's own label mentioned a much bigger number, the verified count that HEROIC confirmed was 743 exposed accounts.


Why This Is Dangerous

743 might sound small next to leaks involving millions, but size isn't what determines the damage to any one person. If your email and password happen to be among those 743 records, the risk to you personally is exactly the same as if you were one of a million. The passwords here are stored in plaintext, so whoever downloaded this log doesn't need to crack anything, they can log in right now with what's already sitting in front of them.


What Was Exposed

  • Email Addresses
  • Plaintext Passwords
  • URLs linking each login to its original site

Why This Matters

Smaller leaks like this one are easy to overlook, and that's exactly why they're neccessary to take seriously. Criminals often target these tighter, more specific batches because they can move through them one by one instead of getting lost in a massive pile of data. If you don't relize your credentials are part of a leak like this, you could definately go months without ever changing the password, giving an attacker plenty of time to quietly use it.


How Stealer Log Breaches Work

A stealer log like this one usually comes from malware that infected a small number of devices, maybe through a pirated software download or a malicious email attachment. The infected machines had their saved browser logins copied out in full, then grouped into a file labeled with whatever name the uploader chose, in this case "Napoleon Corp." Even a modest infection can produce a log that ends up traded across Telegram for anyone to download.


Check If You Are Affected

Small leaks are exactly the kind that slip past people's attention, which is why checking matters just as much here as with the bigger breaches. HEROIC's free scanner covers more than 400 billion (400B+) leaked records, including this Napoleon Corp log, so you can search your email and get a clear answer in seconds.

Breach Breakdown

Domain UP 426 13.9K Napoleon Corp uploaded by a Telegram User
Leaked Data Email Addresses,Plaintext Password,URLs
Password Types plaintext
Date Leaked 23 Apr 2026
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Est. Financial Impact $5.4K 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

Important
Financial Protection

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

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