Inside the HologramCloud 412 Stealer Log: How Malware Exposed 5,390 Passwords

HEROIC analysts discovered 5,390 records exposed in the HologramCloud 412 stealer log breach, leaked in July 2023. The compromised data includes email addresses, plaintext passwords, and URLs -- the kind of raw credential bundle that fuels automated account takeover campaigns across the internet.

Why HologramCloud 412 Data Is Dangerous

Stealer logs are among the most immediately actionable data types circulating on the dark web. Unlike hashed passwords that require cracking, this breach exposed plaintext passwords -- meaning anyone who obtained this data had instant access to working credentials. Combined with email addresses and associated URLs, attackers have everything they need to log into victim accounts without any extra effort.

What Was Exposed in the HologramCloud 412 Breach

• Email addresses
• Plaintext passwords
• URLs (associated endpoints and services)

Why the HologramCloud 412 Leak Matters

When plaintext credentials leak, the consequences reach far beyond a single compromised account. Attackers use stolen email and password pairs to run credential stuffing attacks -- automatically testing credentials across hundreds of sites and services. If you reuse passwords, one leaked account can unlock many others. From there, identity theft, financial fraud, and account takeover become very real risks for anyone whose data appeared in this log.

How Stealer Log Breaches Work

Stealer logs are created by a type of malware called an infostealer. Once installed on a device -- often through a malicious download, phishing link, or compromised software -- the malware silently harvests saved credentials, browser sessions, and other sensitive data. The collected records are then packaged into log files and sold or shared on dark web forums and Telegram channels. The HologramCloud 412 log was shared via Telegram in July 2023, exposing thousands of victims who likely had no idea their credentials had been captured.

Check If Your Data Was Exposed

Your email address and password may be in this breach -- or in one of the 400 billion+ records HEROIC monitors across the dark web. Use the free HEROIC scanner to check your exposure in seconds and find out which of your accounts are at risk before attackers do.