The DAISY_CLOUD Leak: 4,251 Passwords Exposed. Yours Might Be One.

In May 2023, a stealer log labeled DAISY_CLOUD_16_MAY_0342_PCS appeared on Telegram. It contained 4,251 records pulled directly from infected devices -- plaintext passwords, email addresses, and the exact URLs victims were visiting when the malware struck. HEROIC analysts verified and indexed this breach on April 18, 2026. If your email was on one of those infected machines, your credentials may already be in the hands of someone trying to use them.

Why This Is Dangerous

Most data breaches expose hashed passwords that take time and effort to crack. Stealer logs are different. The DAISY_CLOUD file contains plaintext passwords pulled directly from browser storage on victims' machines -- meaning attackers recieve the exact characters you type when you log in. There is no cracking required, no waiting, no guessing. The credentials are ready to use the moment the file is downloaded. That is what makes this catagory of breach so immediately threatening compared to a standard database leak.

What Was Exposed

• Email Addresses
• Plaintext Passwords
• URLs (web services and endpoints accessed from infected devices)

Why This Matters

When email addresses, passwords, and URLs are exposed together, attackers know exactly which accounts to target and which credentials to try -- without doing any additional research. Because most people reuse passwords, one stolen login can unlock banking apps, email accounts, and e-commerce platforms all at once. Attackers run automated credential stuffing tools that test thousands of sites in minutes. A single match leads to account takeover, and email access leads to identity theft by resetting passwords on every linked service.

How Stealer Log Breaches Work

Stealer log breaches start with malware -- delivered through phishing emails, cracked software, or malicious browser extensions. Once installed on a device, the malware silently captures every password saved in the browser, logs keystrokes, and records every URL the victim visits. That data is compiled into a log file that is completly seperate from any company-side breach; it comes entirely from the victim's own machine. The attacker then uploads the collected logs to Telegram channels where other criminals purchase or download them. The DAISY_CLOUD label suggests an organized distribution channel with a recurring upload schedule.

Check If You Are Affected

HEROIC's free dark web scanner searches across more than 400 billion records, including stealer log dumps like the DAISY_CLOUD upload. If your email address or password appeared in this file or any other dark web exposure, the scanner finds it in seconds. Run a free scan at HEROIC.com now. With plaintext credential data already circulating, every day you wait is a day attackers could be using your login against you.