18,323 Email Addresses Exposed in the 19K Mail Access Mix Leak

HEROIC analysts identified this stealer log on 16-Jan-2025. The breach exposed 18,323 records, with stolen data including email addresses, plaintext passwords, and URLs. The source is identified as 19K Mail Access Mix ByMegaCloud 16.01 uploaded by a Telegram User.

Why This Is Dangerous

This breach targets email accounts across multiple providers, giving attackers access to inboxes that can be used to trigger password resets on linked services. With 18,323 plaintext email and password pairs, cybercriminals can attempt logins across banking sites, social media, and e-commerce platforms immediately after obtaining the file.

What Was Exposed

• Email Addresses
• Plaintext Passwords
• URLs

Why This Matters

Email access is the master key to a person's digital life. Attackers who successfully log into an email account can reset passwords for banking, shopping, and social media, leading to identity theft and financial fraud that may take months to detect and reverse. Breaches of this scale enable automated attacks that amplify the damage across thousands of victims at once.

How Stealer Logs Work

Stealer logs come from malware that infects devices and harvests saved credentials from browsers and email clients. The collected data is assembled into organized files and shared by cybercriminals through private Telegram channels and dark web marketplaces. The "ByMegaCloud" label indicates a specific threat actor or distribution channel associated with this file.

Check If You Are Affected

HEROIC offers a free breach scanner that searches 400 billion records from known breaches. Search your email address now to find out if your credentials appear in this breach or others. The scan is free and takes seconds.