Cloud Storage Customers Exposed in HESOYAM CLOUD’s Leak

If you have ever trusted a cloud storage service to hold your files safely, the HESOYAM CLOUD incident is worth a close look. On May 27, 2026, a Telegram user posted a stealer log tied to the service, and it contained 11,803 separate account records, each one linking a specific email to a specific password. This wasn't a hack of HESOYAM CLOUD's servers directly, it was a collection of credentials harvested from infected user devices, but the end result is the same for the people affected.

Why This Is Dangerous

Cloud storage accounts are often treated as an afterthought when it comes to security, yet they frequently hold tax documents, scanned IDs, backed up photos, and business files. A criminal who gets into one of these 11,803 accounts isn't just reading email, they could be downloading years of personal records in a single sitting.

What Was Exposed

• Email addresses used to log into HESOYAM CLOUD and related services
• Passwords stored and shared in plaintext, unprotected by any encryption
• URLs showing exactly which login pages the credentials belonged to

Why This Matters

Cloud services are frequently the seperate account that gets skipped when people update their passwords after a breach warning, mostly because it feels less important than a bank or email login. That assumption is exactly what makes this kind of leak so useful to criminals, who know the account has likely been left wide open since the day it was created.

How Stealer Logs Work

This breach falls under the stealer log category, meaning malware sitting on a victim's own computer quietly copied saved browser passwords and autofill data before sending them off to a remote server. The stolen information was then bundled into a file and shared through Telegram, where it can be downloaded by anyone with access to the channel, free of charge in many cases.

Check If You Are Affected

HEROIC tracks over 400 billion compromised records across breaches like this one, giving you a fast way to check whether your HESOYAM CLOUD login or any other account has turned up in a leak. It only takes a minute to run a free scan, and it is a lot less painful than finding out the hard way that your cloud files were downloaded by a stranger.