Breach Intelligence Report 22 Mar 2026

Telegram Leak: 3,803,383 Stolen Credentials Now Public Online

HEROIC
HEROIC Threat Intelligence Team
Email Addresses Plaintext Password Urls
Stealer Logs Files_17.10_18.21_74 uploaded by a Telegram User
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Records Exposed 3,803,383
Source Type Combolist
Origin United States
Password Type plaintext

Picture this: you log into your email one morning and a password reset request you never asked for is sitting in your inbox. Somewhere, a file called "Files_17.10_18.21_74" containing 3,803,383 stolen credentials is likely the reason why.

Why This Is Dangerous

This isn't a hypothetical. Combolists like this one, uploaded to Telegram on October 10, 2024, are used specifically to trigger exactly that kind of unwanted reset request, one automated login attempt at a time until something works.

What Was Exposed

  • 3.8 million email and username pairs
  • Fully readable plaintext passwords
  • URLs tied to each account the credentials unlock

Why This Matters

An unwanted password reset email is often the first sign something is wrong, and by then an attacker has usually already tried several other accounts using the same login. The scenario above isn't rare, it's happening across the internet every single day because of files exactly like this one.

How These Credentials Get Tested

Attackers don't manually type in 3.8 million logins one at a time, they use automated scripts that fire off attempts across hundreds of websites simultaneously. Any combination that succeeds gets flagged and seperated into its own smaller, more valuable list for resale.

Check If You Are Affected

HEROIC has indexed more than 400 billion leaked records, and checking your email against this exact combolist takes only a moment with our free scanner. Don't asume that morning reset request was random, find out for sure before it happens to you.

Breach Breakdown

Domain Files_17.10_18.21_74 uploaded by a Telegram User
Leaked Data Email Addresses,Plaintext Password,URLs
Password Types plaintext
Date Leaked 22 Mar 2026
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Private & Secure No Account Needed 3,227 scanned today
Breach Rank #840 by affected users
Impact Score
40
sensitivity + scale + recency
Est. Financial Impact $27.5M 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

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Identity Protection

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