Dark Web Intel: 9,464 Credentials From the usa1 Leak Are Now Public

HEROIC analysts identified this stealer log on April 10, 2026. The breach exposed 9,464 records, with stolen data including email addresses, plaintext passwords, and URLs. The source is identified as usa1.

Why This Is Dangerous

The usa1 stealer log contains US-based credentials with plaintext passwords fully readable by anyone who obtains the file. The included URLs indicate which specific websites were targeted, giving attackers a roadmap for where to use these credentials first.

What Was Exposed

• Email addresses
• Plaintext passwords
• URLs (website addresses where credentials were stolen)

Why This Matters

The 9,464 credentials from US accounts in this breach are immediately usable in credential stuffing campaigns. Attackers target financial institutions, retail platforms, and email providers using lists like this. Once inside an account, criminals can drain funds, steal personal information, or lock the legitimate owner out entirely. Victims who reuse passwords across services face the highest risk.

How Stealer Logs Work

Information stealer malware spreads through phishing emails, cracked software, and malicious browser extensions. After infecting a device, it silently collects saved passwords from browsers and captures login credentials as users type them. Attackers bundle this harvested data into files like usa1 and publish them in dark web communities and private Telegram groups.

Check If You Are Affected

HEROIC offers a free breach scanner that searches 400 billion records. Search your email address now to see if your credentials appear here or elsewhere. Free, takes seconds.