Breach Intelligence Report 14 Apr 2026

BONUS ULP UP_KURZL0G 15 Leaks 1,456,630 Fresh Records Now

HEROIC
HEROIC Threat Intelligence Team
Email Addresses Plaintext Password Urls
Stealer Logs BONUS ULP UP_KURZL0G 15 uploaded by a Telegram User
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Records Exposed 1,456,630
Source Type Stealer log
Origin United States
Password Type plaintext

A file called BONUS ULP UP_KURZL0G 15 delivered on its name, leaking 1,456,630 fresh stolen credential records from an October 18, 2025 stealer infection.


Why This Is Dangerous

The word 'BONUS' suggests this file was released as an extra on top of a main KURZL0G series release, meaning even more stolen credentials are circulating beyond this file alone. Every one of these 1.4 million plus records carries a plaintext password.


What Was Exposed

  • Email addresses (1,456,630 unique accounts)
  • Plaintext passwords with no encryption
  • URLs tied to each compromised service

Why This Matters

At over 1.4 million records, this bonus release alone would count as a major breach on its own. Combined with the rest of the KURZL0G series, the total number of exposed accounts from this operation is almost certainly much higher.


How Stealer Logs Work

Sellers sometimes package 'bonus' files as an incentive for buyers who purchase the main release, adding extra stolen data at no additional charge. This particular bonus file, numbered 15, suggests the operator has released at least fourteen prior batches, wich points to a long running and highly active operation.


Check If You Are Affected

HEROIC's free scanner checks your email against more than 400 billion (400B+) leaked records, including this BONUS ULP file. Check now, and don't asume a 'bonus' label means less serious exposure, 1.4 million records is a massive leak by any measure.

Breach Breakdown

Domain BONUS ULP UP_KURZL0G 15 uploaded by a Telegram User
Leaked Data Email Addresses,Plaintext Password,URLs
Password Types plaintext
Date Leaked 14 Apr 2026
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Private & Secure No Account Needed 3,045 scanned today
Breach Rank #1,473 by affected users
Impact Score
40
sensitivity + scale + recency
Est. Financial Impact $10.5M 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

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