CLOUDCOSMIC: 458-Device Stealer Log Exposes 5,937 U.S. Credentials

CLOUDCOSMIC: 458 Infected Devices, 5,937 U.S. Credentials Exposed

The "458 PCS" label in this CLOUDCOSMIC upload tells the story in numbers: 458 compromised devices contributed credentials to this package. Each infected machine ran infostealer malware that silently captured login credentials — emails, passwords, and the URLs of every site the victim logged into after infection. The resulting 5,937 records were packaged and uploaded to Telegram on February 24, 2023, as part of CLOUDCOSMIC's ongoing credential distribution operation.

CLOUDCOSMIC Breach Data — 458 PCS

• Total Records: 5,937 U.S. credential sets
• Devices Compromised: 458 infected endpoints
• Average Credentials Per Device: ~13 per infected machine
• Data Types: Email addresses, plaintext passwords, target login URLs
• Date Leaked: February 24, 2023
• Distribution: Telegram (CLOUDCOSMIC channel)

Piece Counts and What They Reveal

The "PCS" metric gives researchers a window into the actual scale of the underlying malware campaign. A 458-device figure for a single upload suggests a sustained campaign — not a flash infection, but weeks or months of malware running across hundreds of devices. The average of roughly 13 credentials per device means each infected computer was actively monitored long enough to capture logins across a meaningfull range of services.

For the individuals whose devices are counted among those 458, the infection window matters. Credentials captured early in an infection get the most time in circulation before the victim notises unusual activity and acts. Those captured in the final days before the operator packaged the log may not have been widely tested yet — but they've been available for over three years now.

CLOUDCOSMIC's Distribution Pattern

HEROIC has identified multiple CLOUDCOSMIC uploads across different dates, suggesting this is an active and organized distribution channel rather than a single breach event. Operators like CLOUDCOSMIC aggregate logs from ongoing malware campaigns and package them for regular release to their Telegram subscriber base. Each new upload refreshes subscriber interest and demonstrates the channel's continued output.

For victims across multiple CLOUDCOSMIC packages, this means exposure isn't confined to a single upload. Their credentials may appear in this batch or in any of the other CLOUDCOSMIC distributions captured in HEROIC's breach database — making comprehensiv breach scanning the only way to know the full extent of the exposure.

Find Out If You're in This Breach

HEROIC's free breach scanner searches more than 400 billion exposed records, including all identified CLOUDCOSMIC uploads. Enter your email to check if your credentials appear in this batch or any related breach. If you're found, HEROIC shows you exactly what data was exposed and from which specific breach it originated.