Breach Intelligence Report 15 Jul 2026

Mix Stealer Log Leak Exposes 5,173 Online Account Passwords

HEROIC
HEROIC Threat Intelligence Team
Email Addresses Plaintext Password Urls
Stealer Logs Mix Fresh B4_Jx uploaded by a Telegram User
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Records Exposed 5,173
Source Type Stealer log
Origin United States
Password Type plaintext

On April 8, 2026, a Telegram user uploaded a stealer log labeled "Mix," a combined credential dump pulling together login data from a wide range of online accounts rather than a single website. The file exposed 5,173 records belonging to users in the United States, including email addresses, plaintext passwords, and the URLs of the login pages where each credential was captured. This is not a breach of any single company's servers. It is a stealer log, meaning the data was harvested directly from infected computers.


Why a "Mix" Stealer Log Is Especially Risky

Unlike a breach tied to one platform, a mixed stealer log pulls credentials from whatever accounts a victim was logged into when their device was infected, banking portals, shopping sites, streaming services, work logins, and more, all in one file. That means a single compromised computer can hand attackers the keys to someone's entire digital life at once. With 5,173 records in this batch, the scale here isn't massive, but the breadth of accounts represented per victim makes it a serious exposure.

What Was Exposed

  • Email addresses
  • Plaintext passwords
  • URLs of the login pages tied to each credential

Why This Matters

Because these passwords were captured in plaintext, no decryption is required to use them. Attackers who obtain this file can log directly into the exposed accounts. Since stealer logs often contain credentials for multiple services per victim, criminals can move from one account to the next, attempting credential stuffing across email, banking, and shopping platforms where people frequently reuse the same password. This kind of access enables account takeover, identity theft, and financial fraud, often before the victim even realizes anything is wrong.

How Mixed Stealer Logs Get Built

Stealer logs come from infostealer malware that infects a device, often through a pirated download, fake software update, or phishing link, and then quietly copies every saved password, autofill entry, and active session from the browser. When a victim uses the same browser to log into email, banking, and shopping sites, all of those credentials end up bundled into one "mixed" log file. These combined logs are especially valuable to criminals, which is why they're frequently shared and sold on Telegram channels like the one this file came from.


Check If You Are Affected

Because mixed stealer logs often include credentials for several of your accounts at once, it's worth checking whether your information is part of this leak or any other. HEROIC's free breach scanner searches a database of more than 400 billion leaked records to instantly show you if your email or password has been exposed. Run a free check today and see exactly where you stand.

Breach Breakdown

Domain Mix Fresh B4_Jx uploaded by a Telegram User
Leaked Data Email Addresses,Plaintext Password,URLs
Password Types plaintext
Date Leaked 15 Jul 2026
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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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Identity Protection

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