The PublicLogs123 Breach Happened 10 Months Ago. The Data Just Went Public.

HEROIC analysts catalogued the PublicLogs123 stealer log dataset, originally leaked in July 2025 and surfacing publicly nearly a year later with 28,733 records still intact and fully exploitable. The dataset contains email addresses, plaintext passwords, and URLs -- credentials that remain dangerous long after the initial leak because most victims never change their passwords.

Why This Is Dangerous

Time does not neutralize a plaintext password leak. Credentials that were stolen months or years ago are still valid if victims have not changed their passwords. The PublicLogs123 dataset has been in threat actor possession since July 2025 -- meaning anyone in this breach has had their accounts at risk for months. Many will not know until it is too late.

What Was Exposed

• Email Addresses
• Plaintext Passwords
• URLs (site endpoints where credentials were used)

Why This Matters

Stealer log data ages slowly because people rarely change passwords proactively. With 28,733 records containing plaintext credentials, attackers can:

• Attempt account takeover on banking, email, and social platforms right now
• Use credential stuffing tools to test logins across thousands of sites automatically
• Facilitate identity theft by combining email access with other personal data
• Commit financial fraud by accessing payment platforms and online banking

How Stealer Logs Work

Stealer logs are built from infostealer malware infections. A victim unknowingly installs malicious software -- often through phishing, fake downloads, or compromised websites -- and the malware quietly harvests every saved password, active session cookie, and stored credential on the device. The attacker compiles this data into structured log files organized by infected machine. These logs circulate among cybercriminals for months or years, traded and resold long after the initial infection. That is why data from a July 2025 breach is still dangerous today.

Check If You Are Affected

HEROIC's free breach scanner searches across 400 billion+ exposed records to show whether your email or password appears in the PublicLogs123 dataset or any other known breach. If your credentials were stolen months ago, you deserve to know today.

Check your exposure for free at HEROIC's breach scanner -- before an attacker acts on credentials that may still be valid.