Breach Intelligence Report 27 Mar 2026

Plaintext Passwords Leaked in 5,268-Record Stealer Log Breach

HEROIC
HEROIC Threat Intelligence Team
Email Addresses Plaintext Password Urls
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Records Exposed 5,268
Source Type Stealer log
Origin Telegram
Password Type plaintext

HEROIC researchers found 5,268 records on February 16, 2023 from a stealer log file named "new" that was shared by an anonymous Telegram user.


Why This Stealer Log Is Dangerous

Even a small 5,268-record drop is dangerous when every entry contains a working email and password pair. Stealer logs typically come from infected personal and work devices, so the credentials inside are tied to real, currently used accounts rather than dormant or test data.


What Was Exposed in the "new" Stealer Log

  • Email addresses
  • Plaintext passwords
  • Login URLs and API host endpoints
  • Session context pointing to banking, email, and workplace apps

Why This Matters

Plaintext passwords can be used immediately. There is no need for attackers to crack hashes, reverse encryption, or run brute force tools. If a victim reused that password on another service, the risk spreads beyond the single account in the log and into email, finance, and employer systems.


How a Stealer Log Like "new" Works

Infostealer malware lands on a device through a malicious download, phishing message, or cracked installer. It then harvests saved browser credentials, autofill fields, and cookies, bundles the data into a text log, and pushes that file out to Telegram channels or dark web marketplaces where it is redistributed to other criminals.


Check If You Are Affected

HEROIC scans 400B+ exposed records to show you instantly whether your email, password, or personal data appears in this stealer log or any other breach. Run a free scan to see your exposure and lock down affected accounts today.

Breach Breakdown

Domain N/A
Leaked Data Email Addresses,Plaintext Password,URLs
Password Types plaintext
Date Leaked 27 Mar 2026
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Private & Secure No Account Needed 3,218 scanned today
Breach Rank #17,360 by affected users
Impact Score
0
sensitivity + scale + recency
Est. Financial Impact $38.1K 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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