How the DAISYCLOUD CHAMPIONING Stealer Log Leaked 103,412 Credentials

HEROIC found the DAISYCLOUD CHAMPIONING stealer log on 17-Apr-2025. The incident exposed 103,412 records containing email addresses, plaintext passwords, and associated URLs from a stealer log file uploaded to a public Telegram channel.

Why the DAISYCLOUD CHAMPIONING Breach Is Dangerous

Stealer logs include not just credentials but the exact URLs where those credentials were used -- giving attackers a ready-made map of where to log in. With 103,412 plaintext password and URL pairs, criminals can directly access every account in the list, then pivot to banking, email, and corporate systems using the same credentials elswhere.

What Was Exposed in the DAISYCLOUD CHAMPIONING Leak

• Email addresses
• Plaintext passwords
• Associated URLs and API endpoints

Why This DAISYCLOUD CHAMPIONING Data Puts You at Risk

URL-paired credentials are more dangerous than standard combolists because attackers know exactly which service each password belongs to. Endpoint and API host exposures also create risks for businesses -- compromised API credentials can allow attackers to access backend systems, exfiltrate data, or disable services without ever touching the user-facing login page.

How Stealer Log Breaches Work

Stealer logs are generated by malware installed on victim devices, capturing credentials as they are typed or autofilled. The malware harvests logins from browsers, apps, and password managers, then packages them into structured files uploaded to Telegram channels or dark web forums. Once published, these logs are downloaded and used in automated account takeover attacks within hours.

Check If Your Data Was Exposed

HEROIC operates one of the world's largest breach databases, covering more than 400 billion leaked records. Use HEROIC's free breach scanner to check if your email address or credentials appeared in the DAISYCLOUD CHAMPIONING leak or thousands of other breaches in our database.