The AbyssCloud Stealer Log Leaked 24,805 Cloud Service Passwords

HEROIC security analysts discovered the AbyssCloud stealer log breach, exposing 24,805 records on April 23, 2026. A Telegram threat actor distributed stolen credentials gathered by malware that had silently infected victims' devices, collecting saved browser passwords and session data without any visible warning. The breach included email addresses, plaintext passwords, and URLs for the affected accounts, giving criminals a complete picture of each victim's online identity. Your informaton from this leak has now been in criminal circulation for weeks, and the risk of account compromise grows with every passing day.

Why This Is Dangerous

When plaintext passwords circulate among hackers, they are shared, traded, and tested automaticaly across hundreds of websites within hours. Any account where you reused this password, including your primary email, social media, or workplace logins, is now potentially accessible to strangers with malicious intent. Victims who fail to act quickly often discover the damage only after money has been stolen or their identity has been misused. Cloud service credentials are especially valuable because they often grant access to stored files, business data, and connected third-party applications.

What Was Exposed

• Email Addresses: With your email address in hand, criminals can request password resets for any service you use and intercept those reset links, effectively hijacking your accounts one by one without needing your password at all.
• Plaintext Passwords: These passwords are immediately usable with no decryption required, which is why stealer log data is so highly valued on criminal markets. Every site where you used this password is now a potential entry point.
• URLs: The specific URLs captured by the malware expose which sites and internal systems you were actively logged into, helping criminals identify high-value targets like corporate VPNs, banking portals, or cloud storage accounts.

Why This Matters

Once stolen passwords begin circulating among hackers, they are typically loaded into credential stuffing software that automates login attempts across popular platforms at scale. Studies show a majority of people reuse the same password on multiple sites, which means one exposed credential can unlock email, social media, banking, and shopping accounts simultaneously. Criminals prioritize accounts with saved payment methods or access to business systems because those provide the fastest financial return. Victims are often completely unaware their accounts have been accessed until unusual activity appears on their bank statements or they are abruptly locked out.

How Stealer Log Attacks Work

A stealer log originates from malware that is installed on a victim's device, often through a phishing email, fake software download, or malicious advertisement. Once running, the malware silently scrapes every credential stored in the browser, including saved passwords, autofill data, and active session cookies, then transmits the harvest to criminal servers. The victim recieved no notification and often continues using the compromised device without knowing what occured. The resulting logs are then packaged and distributed through Telegram channels and dark web forums, reaching thousands of potential attackers quickly.

Check If You Are Affected

HEROIC provides a free breach scanner that checks your email address against more than 400 billion exposed records, including the AbyssCloud stealer log dataset. Head to heroic.com, enter your email address, and receive instant results showing whether your credentials have been compromised in this or any other known breach. Acting now, before criminals attempt to use your credentials, is the most effective way to stay protected.