Breach Intelligence Report 16 May 2026

Act Now: 261K Mixed List Leak Exposed 230,041 User Accounts

HEROIC
HEROIC Threat Intelligence Team
Email Addresses Plaintext Password Urls
Stealer Logs 261K Mixed List uploaded by a Telegram User
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Records Exposed 230,041
Source Type Stealer log
Origin United States
Password Type plaintext

Act now: a stealer log called "261K Mixed List" just surfaced on Telegram with 230,041 real records inside it. This is not a drill, the emails, passwords, and URLs in this file are neccessary information for account takeover, and they are already circulating.


Why This Is Dangerous

Every day this file sits online, more people download it and try the logins for themselves. The longer a password stays unchanged after a leak like this, the more particurly likely it is that someone will eventually use it successfully.


What Was Exposed

  • 230,041 total records
  • Email Addresses
  • Plaintext Password
  • URLs

Why This Matters

Plaintext passwords mean there is zero delay between someone finding this file and someone using it. There's no cracking, no guessing, just copy and paste. That is why this one deserves an urgent reaction rather than being publically ignored until it becomes a bigger problem.


How Stealer Logs Work

A "mixed list" like this one is usually built by combining several smaller stealer log infections into one larger file. Each infected device contributes its own saved passwords and cookies, and the attacker just merges everything together before releasing it.


Check If You Are Affected

Don't wait to find out the hard way. HEROIC's free breach scanner checks your email against over 400 billion leaked records right now, so you can act immediately and change any password that shows up as exposed.

Breach Breakdown

Domain 261K Mixed List uploaded by a Telegram User
Leaked Data Email Addresses,Plaintext Password,URLs
Password Types plaintext
Date Leaked 16 May 2026
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Private & Secure No Account Needed 2,299 scanned today
Breach Rank #N/A by affected users
Impact Score
9
sensitivity + scale + recency
Est. Financial Impact $1.7M 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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