Hackers Published SunCloudNew 1703 Log. Here Is What Was Inside.

In April 2026, HEROIC identified a stealer log file named SunCloudNew 1703, containing 350 individual log files uploaded to Telegram by an anonymous user. The log contained 9,149 stolen credentials harvested from infected devices, including email addresses, plaintext passwords, and associated URLs. The file circulated freely on Telegram before HEROIC indexed it in our breach database.

Why the SunCloudNew 1703 Breach Is Dangerous

The publication of SunCloudNew 1703 by an anonymous Telegram user made 9,149 plaintext credential pairs immediately accessible to any threat actor. With no decryption required, attackers can directly test these credentials against email providers, banking institutions, and social media platforms. Stealer logs distributed openly on Telegram are routinely downloaded by multiple criminal groups, multiplying the number of actors with access to these stolen credentials.

What Was Exposed in the SunCloudNew 1703 Leak

• Email Addresses
• Plaintext Passwords
• URLs

Why This SunCloudNew 1703 Data Puts You at Risk

Plaintext passwords require no cracking step and are immediately actionable in credential stuffing attacks. Automated tools test stolen pairs across dozens of platforms in seconds. A successful match on an email account gives attackers the ability to reset passwords on every linked service, enabling identity theft, unauthorized financial transactions, and long-term account takeover well beyond the initial breach.

How Stealer Logs Work

Stealer logs are generated by infostealer malware distributed through phishing campaigns, trojanized software, and malicious downloads. Once installed, the malware silently extracts saved browser credentials, session cookies, and autofill data, packaging them into compressed log files transmitted to the attacker and then published on Telegram for wide distribution.

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 SunCloudNew 1703 leak or thousands of other breaches in our database.