Breach Intelligence Report 23 Mar 2026

You Might Be One of 3,526,125 Names in This Telegram Leak

HEROIC
HEROIC Threat Intelligence Team
Email Addresses Plaintext Password Urls
Stealer Logs Files_17.10_19.17_0 uploaded by a Telegram User
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Records Exposed 3,526,125
Source Type Combolist
Origin United States
Password Type plaintext

Stop and think for a second, do you know every single website where you've ever saved a password? If the answer isn't a confident yes, there's a real chance one of your old logins is sitting inside Files_17.10_19.17_0, a Telegram combolist uploaded October 10, 2024 with 3,526,125 email and password combinations packed inside it.


Why This Is Dangerous

You don't get a notification when your information ends up in a file like this one. There's no email telling you to change your password, no bank alert, nothing. The only way this becomes real to you is if someone uses your plaintext password before you find out on your own, wich is exactly why files like this stay dangerous for so long after they first appear.


What Was Exposed

  • Your email address, if it happens to be among the 3,526,125 entries
  • A plaintext password with no encryption protecting it
  • A URL showing precisely which account that password opens

If any of those three pieces belong to you, an attacker already has what they need to log in as you on that specific service.


Why This Matters

You might assume a leak this size is too big to matter to any one individual, but that logic runs backwards. The larger the file, the more likely it is that your specific email happens to be one of the millions listed, simply because there are so many more chances for a match.


How This Combolist Reached Telegram

Files like this get built by combining leaked data from smaller breaches and stealer infections into one master list, then uploading the finished product to channels where it spreads quickly. This particular file appears to be the start of a new naming series, separate from other combolists uploaded that same day, suggesting more than one operation was active at once.


Check If You Are Affected

Instead of wondering, find out. HEROIC's free scanner checks your email against a database of more than 400 billion leaked records and gives you a direct yes or no answer. If your name turns up, changing that password right now is the single most useful thing you can do.

Breach Breakdown

Domain Files_17.10_19.17_0 uploaded by a Telegram User
Leaked Data Email Addresses,Plaintext Password,URLs
Password Types plaintext
Date Leaked 23 Mar 2026
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3,526,125 passwords exposed. Is yours one of them?

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Private & Secure No Account Needed 3,532 scanned today
Breach Rank #N/A by affected users
Impact Score
40
sensitivity + scale + recency
Est. Financial Impact $25.5M fraud, phishing & misuse risk
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  • Financial information
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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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