Someone Has Your Password: 103,785 Credentials Leaked

HEROIC's DarkHive intelligence platform has identified a stealer log known as the Hotmail.fr Combo dump, which exposed 103,785 records. Uploaded to Telegram in November 2024, this dataset contains login credentials harvested by infostealer malware from infected devices, putting every affected user at immediate risk of account takeover.

Why Plaintext Passwords Are a Critical Threat

The passwords in this breach are stored in plaintext, meaning they require no cracking or decryption. Cybercriminals can copy and paste them directly into login forms. Unlike hashed passwords that may take time and resources to decode, plaintext credentials are weaponized the moment they are leaked, making speed of response essential for anyone affected.

What Was Exposed

• Email Addresses — Used as login identifiers and phishing targets
• Plaintext Passwords — Fully readable, ready for immediate misuse
• URLs — Specific websites and services where these credentials were used

The Password Reuse Problem

When attackers obtain a valid email and password pair, they immediately test it against dozens of popular services — banking, email, social media, and cloud storage. This technique, known as credential stuffing, exploits the fact that most people reuse the same password across multiple accounts. A single leaked credential from this Hotmail.fr dump could unlock access to far more than just one account.

What Are Stealer Logs?

Stealer logs are files generated by infostealer malware — programs like RedLine, Raccoon, or Vidar that silently infect computers and harvest saved passwords, browser cookies, autofill data, and session tokens. Victims typically become infected through malicious downloads, phishing emails, or cracked software. The stolen data is then compiled into logs and sold or distributed on underground forums and Telegram channels.

Check If Your Credentials Were Exposed

HEROIC provides a free breach scanner powered by a database of over 400 billion compromised records. Search your email address or domain to see if your credentials appeared in this Hotmail.fr Combo leak or any other known breach. Early detection allows you to change compromised passwords before attackers can exploit them.