OTTOMANCLOUD Data Breach Exposes 6,844 Records Including Passwords

In June 2023, a Telegram user uploaded a stealer log from OTTOMANCLOUD containing 6,844 records that includs email addresses, plaintext passwords, and URLs harvested from infected devices. The data was collected without victim awareness and subsequently distributed across criminal channels where it remains accessable today. HEROIC analysts identified and indexed this dataset through ongoing dark web monitoring activities. If your email appears in this breach, your login credentials have been in criminal hands for nearly three years.

Why This Is Dangerous: Plaintext passwords are the most immediately dangerous form of breached data -- no decryption, no guessing, no delay before criminal use. The OTTOMANCLOUD stealer log gives attackers a ready-made list of working credentials to test across email providers, banks, and cloud services. Victims who have not changed their passwords since 2023 remain actively at risk of account takeover right now.

What the OTTOMANCLOUD Breach Exposed

• Email Addresses: The account identifier criminals use to attempt logins, initiate password resets, and craft convincing spear-phishing messages targeting victims by name.
• Plaintext Passwords: Passwords captured in unencrypted, human-readable form directly from the victim's device -- usable by any criminal the moment they download this log.
• URLs: The web endpoints and API hosts the infected device was connected to, revealing the exact services whose accounts are most at risk for each victim.

How OTTOMANCLOUD Credentials Fuel Account Fraud

Stealer log data like the OTTOMANCLOUD breach is considered high value on criminal markets because every password is already in plaintext and tied to a real, active account. Automated tools test these email-password pairs against dozens of major platforms in minutes, looking for accounts where the same password was reused. Successful matches -- called "hits" -- are then used to drain financial accounts, hijack email to intercept two-factor codes, or sell access to other criminals. Victims are often completely unaware their accounts have been accessed until they notice unexplained charges or find themselves locekd out.

Understanding Stealer Log: The Attack That Collected This Data

A stealer log is compiled when malware installed on a victim's computer silently collects all saved browser passwords, stored credentials, and active web sessions. The infection typically begins with a deceptive download, a phishing link, or a compromised software installer. Once active, the malware can extract years of saved passwords in seconds and transmit them to a remote server before any antivirus can respond. The resulting log is then sold or shared on platforms like Telegram, where the OTTOMANCLOUD dataset was originaly discovred by HEROIC researchers.

Check If Your Data Is in the OTTOMANCLOUD Leak

HEROIC's free identity scanner searches more than 400 billion exposed records -- including the OTTOMANCLOUD stealer log -- to tell you if your credentials were compromised. Visit heroic.com to scan your email for free in seconds. With this data circulating since June 2023, acting now could prevent account takeovers that have been possible for years.