Breach Intelligence Report 22 Sep 2026

Picture 1,457 Logins Sitting in One Telegram Upload File

HEROIC
HEROIC Threat Intelligence Team
Email Addresses Plaintext Password Urls
Combolist 4566_France_KRDCLOUD uploaded by a Telegram User
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Records Exposed 1,457
Source Type Combolist
Origin United States
Password Type plaintext

Every one of the 1,457 passwords in the 4566_KRDCLOUD file, uploaded to Telegram on 24-Aug-2026, was stored and leaked in plain, readable text rather than being hashed or otherwise protected. HEROIC analysts confirmed the credentials are genuine, paired with matching email addresses and login URLs. Because a plaintext password needs no extra work to exploit, the smart move is to scan your email and check your own exposure now.

Why Plaintext Passwords Are the Worst Case

When a password is hashed, an attacker has to spend time and computing power trying to crack it before it becomes useful. A plaintext password skips that entirely, it is already in a form that can be typed straight into a login box, which means the window between exposure and misuse is effectively zero.


What This File Handed Over

  • Email addresses: identify the account and support targeted phishing messages.
  • Plaintext passwords: usable immediately, with no cracking step in the way.
  • Login URLs: confirm exactly which site each password pair belongs to.

Why the Password Format Changes the Risk Level

A file this size with hashed passwords would still be concerning, but it would buy account holders some time while attackers worked to crack them. With 1,457 plaintext passwords already exposed, that buffer does not exist, so any account still using one of these passwords is vulnerable the moment someone opens the file.


How This Kind of Plaintext List Gets Compiled

Combolists like this one are typically stitched together from older breaches and malware logs where passwords were captured before encryption or where the original service stored them insecurely in the first place. Once compiled, the file is distributed for credential stuffing, testing the same email and password pair against many unrelated services.


What Should You Check Right Now?

Scan your email to see if your address is among the 1,457 records in this file or anywhere else in HEROIC's tracked leaks. If your email turns up, change that password immediately, stop reusing it on other accounts, and add multi-factor authentication wherever it is available. Check both your personal and work email addresses, since plaintext lists like this one rarely separate the two.

Breach Breakdown

Domain 4566_France_KRDCLOUD uploaded by a Telegram User
Leaked Data Email Addresses,Plaintext Password,URLs
Password Types plaintext
Date Leaked 22 Sep 2026
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Private & Secure No Account Needed 2,543 scanned today
Breach Rank #N/A by affected users
Impact Score
0
sensitivity + scale + recency
Est. Financial Impact $10.5K 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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Identity Protection

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