Breach Intelligence Report 22 Mar 2026

Files_17.10_18.21_17 Combolist Spans Every Site: 6.76M Hit

HEROIC
HEROIC Threat Intelligence Team
Email Addresses Plaintext Password Urls
Stealer Logs Files_17.10_18.21_17 uploaded by a Telegram User
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Records Exposed 6,755,479
Source Type Combolist
Origin United States
Password Type plaintext

Not every leak stays inside one industry, and Files_17.10_18.21_17 is a good example of why. The file, uploaded to Telegram and dated October 10, 2024, contains 6,755,479 separate login records, each one paired with a URL pointing to the exact site or app the credential unlocks.


Why This Is Dangerous

Because the URLs field spans everything from webmail to shopping carts to internal business portals, this single combolist can fuel attacks across totally different sectors at once. A criminal doesn't need to specialize in banking fraud or retail fraud separately when one file hands them working logins for both.


What Was Exposed

  • Login emails tied to accounts across many different types of websites
  • Passwords stored in plain, readable text
  • The specific URL destination linked to each stolen credential

Why This Matters

When credentials cross industries like this, the fallout isn't neccessary limited to a single company's customers. Don't asume you're safe just because your favorite site wasn't named directly in this batch. A shopping account, a bank login, and a work email could all show up in the same 6,755,479-row file, meaning victims may need to check several unrelated parts of their digital life at once, not just one.


How Combolist Leaks Spread

Files like this one are typically assembled by combining smaller breaches and stealer malware output into a single large dataset, then sorted so buyers can search by domain or industry. Once it's organized this way, it becomes a general-purpose tool rather than a leak tied to any one company, which is part of why it spreads across so many different kinds of sites.


Check If You Are Affected

You can search HEROIC's free breach scanner, which checks your email against a database of over 400 billion exposed records pulled from leaks just like this one. If your address turns up, don't wait around, go update the password on every account tied to that email right away.

Breach Breakdown

Domain Files_17.10_18.21_17 uploaded by a Telegram User
Leaked Data Email Addresses,Plaintext Password,URLs
Password Types plaintext
Date Leaked 22 Mar 2026
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Breach Rank #N/A by affected users
Impact Score
40
sensitivity + scale + recency
Est. Financial Impact $48.9M 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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