Breach Intelligence Report 21 Mar 2026

Found on Telegram: EXPERTLOGS Bases6 and Its 72,496 Records

HEROIC
HEROIC Threat Intelligence Team
Email Addresses Plaintext Password Urls
Stealer Logs EXPERTLOGS Bases6 uploaded by a Telegram User
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Records Exposed 72,496
Source Type Stealer log
Origin United States
Password Type plaintext

Not long after Bases5 turned up, its sibling file surfaced too. EXPERTLOGS Bases6, dated February 13, 2023, was found making the rounds on the same Telegram network, carrying 72,496 records of stolen login data in the exact same URL, email, password format.


Why This Is Dangerous

Finding a sequel to an earlier leak is a signal in itself, it tells researchers this isn't a one-off event but part of a repeated operation. Each new batch means fresh victims and fresh opportunities for whoever is running the credential harvesting behind the scenes.


What Was Exposed

  • 72,496 email addresses collected from infected users
  • Plaintext passwords tied directly to each address
  • URLs mapping every login to the site it opens

Why This Matters

Its neccessary to think about numbered leaks differently than isolated ones. If Bases5 and Bases6 both exist, the group behind them has an active pipeline of infections feeding new logs on an ongoing basis, wich means checking once isn't really enough, you may need to check again down the road.


Why These Logs Keep Appearing

Series like this one usually come from a stealer-as-a-service setup, where the malware is rented out to other criminals who spread it through phishing campaigns, fake downloads, or malicious ads, then hand collected credentials back to whoever packages and numbers the resulting logs.


Check If You Are Affected

Given that this appears to be part of an ongoing series, its worth checking regularly, not just once. HEROIC's free scanner covers more than 400 billion leaked records, including both Bases5 and Bases6, so you can stay ahead of whatever comes next.

Breach Breakdown

Domain EXPERTLOGS Bases6 uploaded by a Telegram User
Leaked Data Email Addresses,Plaintext Password,URLs
Password Types plaintext
Date Leaked 21 Mar 2026
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Private & Secure No Account Needed 2,299 scanned today
Breach Rank #N/A by affected users
Impact Score
3
sensitivity + scale + recency
Est. Financial Impact $524.6K 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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