Breach Intelligence Report 31 Aug 2026

ucl.ac.be – 17.236 emails uploaded by a Telegram User

HEROIC
HEROIC Threat Intelligence Team 31 Aug 2026
Email Addresses Plaintext Password Urls
Combolist ucl.ac.be - 17.236 emails uploaded by a Telegram User
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Records Exposed 17,236
Source Type Combolist
Origin United States
Password Type plaintext

In May 2026, a telegram user uploaded a combolist file that exposed 17236 records of email/username and password credentials.

Breach Breakdown

Domain ucl.ac.be - 17.236 emails uploaded by a Telegram User
Leaked Data Email Addresses,Plaintext Password,URLs
Password Types plaintext
Date Leaked 31 Aug 2026
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Private & Secure No Account Needed 3,318 scanned today
Breach Rank #N/A by affected users
Impact Score
1
sensitivity + scale + recency
Est. Financial Impact $124.7K 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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