Breach Intelligence Report 03 Aug 2026

1.5KK Private USA Yahoo uploaded by a Telegram User

HEROIC
HEROIC Threat Intelligence Team 03 Aug 2026
Email Addresses Plaintext Password Urls
Combolist 1.5KK Private USA Yahoo uploaded by a Telegram User
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Records Exposed 1,499,621
Source Type Combolist
Origin United States
Password Type plaintext

In March 2023, a telegram user uploaded a combolist file that exposed 1499621 records of email/username and password credentials.

Breach Breakdown

Domain 1.5KK Private USA Yahoo uploaded by a Telegram User
Leaked Data Email Addresses,Plaintext Password,URLs
Password Types plaintext
Date Leaked 03 Aug 2026
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Private & Secure No Account Needed 2,984 scanned today
Breach Rank #1,577 by affected users
Impact Score
40
sensitivity + scale + recency
Est. Financial Impact $10.9M 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

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