Breach Intelligence Report 02 Jul 2026

The Plutonium Stealer Log Quietly Appeared on Telegram Last March

HEROIC
HEROIC Threat Intelligence Team
Email Addresses Plaintext Password Urls
Stealer Logs 476-170K_plutonium uploaded by a Telegram User
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Records Exposed 63,132
Source Type Stealer log
Origin United States
Password Type plaintext

HEROIC analysts catalogued Plutonium stealer log release 476 on March 8, 2026, containing 63,132 stolen email and password pairs. This file apeared on Telegram channels withot any public announcement, quietly adding 63,000 compromised accounts to the criminal market notced only by those actively monitoring dark web activity.


Why Plutonium Log 476 Is Dangerous

The Plutonium operation is a long-running stealer malware campaign identified by its numbered batch releases. By release 476, this operation had been running for an extended period, quietly collecting and distributing stolen credentials across hundreds of batches without ever making mainstream news. Most victims in this file likely have no idea their account data was compromised.

What Was Exposed in Plutonium Log 476

  • Email Addresses
  • Plaintext Passwords
  • URLs (specific sites where each credential was captured)

Why This Plutonium Log Data Puts You at Risk

With 63,132 plaintext credentials in a single release from a series that has reached at least 476 batches, the total exposure from the Plutonium operation is massive. Anyone whose credentials appear in any batch of this series faces risk of account takeover that may have already happened months or years ago without any visible sign of intrusion.


How Stealer Logs Work

Plutonium-style operations use stealer malware distributed through compromised software downloads and phishing links. The malware runs silently on victim machines, extracting saved credentials from browsers and sending them to the operator's server. The operator then packages batches of collected data and distributes them on schedule, often through invitation-only Telegram channels that avoid public attention.


Check If Your Data Was Exposed

HEROIC operates one of the world's largest breach databases, covering more than 400 billion leaked records. Use HEROIC's free breach scanner to check if your email address or credentials appeared in the Plutonium stealer log or thousands of other breaches in our database.

Breach Breakdown

Domain 476-170K_plutonium uploaded by a Telegram User
Leaked Data Email Addresses,Plaintext Password,URLs
Password Types plaintext
Date Leaked 02 Jul 2026
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Breach Rank #N/A by affected users
Impact Score
3
sensitivity + scale + recency
Est. Financial Impact $456.8K 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

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Financial Protection

Monitor credit reports and set up fraud alerts with major credit bureaus

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