Search Your Email: MysteryLogsCloud Exposed 23,338 Accounts

In July 2025, a Telegram user uploaded a stealer log file tied to MysteryLogsCloud, exposing 23,338 records containing email addresses, plaintext passwords, and URLs. Stealer logs are harvested directly from infected devices, meaning the credentials in this dump were captured in real time as victems typed them. If your email appears in this dataset, there is a strong chance your password was compromised at the moment of entry.

Why This Is Dangerous

Unlike a standard database breach, stealer logs capture credentials as they are entered on a device. This means the attacker does not need to crack a hashed password -- they already have the plaintext version. The 23,338 records in this dump include active login credentials that could be used immediately to access email accounts, banking portals, and other sensitive services. Because the data was distributed through Telegram channels, it spread rapidly to multiple threat actors before any public disclosur occured.

What Was Exposed

• Email Addresses
• Plaintext Passwords
• URLs (indicating which sites the credentials belong to)

Why This Matters

Plaintext passwords are the most dangerous type of leaked credential. There is no cracking required -- anyone with this file can attempt to log into your accounts right now. URL data makes this even more targeted: attackers know exactly which websites your credentials are for, allowing them to skip trial-and-error and go straight for high-value sites like banks, email providers, and payroll systems. The combination of email, password, and target URL in a single record makes each entry immediately actionable.

How Stealer Log Malware Works

Stealer log malware is typically delivered through phishing emails, fake software downloads, or malicious browser extensions. Once installed on a device, it silently records every keystroke, captures autofill data, and exfiltrates saved browser credentials. The MysteryLogsCloud data appears to have been aggregated from multiple infected endpoints, then packaged into a single archive and shared via Telegram. The threat actor distributed 531 log bundles total -- each one representing credentials from a compromised machene.

Check If You Are Affected

HEROIC's free breach scanner checks your email against over 400 billion exposed records -- including stealer logs like this MysteryLogsCloud dump. Enter your email address below to see if your credentials appeared in this breach or any of the thousands of other datasets in our database. Early detection is the fastest way to protect your accounts before an attacker acts on the data.