Usmancloud 733logs: 20,522 US Records at 28.0/File — Second-Highest Oct 6 Yield

Quality Over Quantity: Usmancloud's High-Yield Oct 6 Release

Usmancloud's 733logs batch -- 733 files yielding 20,522 US credentials on October 6, 2023 -- stands out not for raw volume but for efficiency. At 28.0 records per file, Usmancloud posted the second-highest confirmed per-file yield among all Oct 6 operators, trailing only Klaus_cloud_public's 351logs batch (29.5/file). This metric matters: a higher per-file yield generally indicates more productive individual endpoints -- machines infected with infostealer malware that had richer credential stores, more saved browser passwords, or a broader range of authenticated sessions at the time of harvest.

Usmancloud 733logs (Oct 6, 2023): Stealer Log Summary

• Records Exposed: 20,522
• Data Types: Email addresses, plaintext passwords, URLs
• Breach Type: Stealer log -- credentials harvested from malware-infected endpoints, not a direct database breach
• Password Type: Plaintext -- captured directly from browser sessions and credential stores by infostealer malware
• Country: United States
• Date Leaked: October 6, 2023

Per-File Yield as a Quality Signal

Across the confirmed Oct 6 operator pool, per-file yields range dramaticly -- from prdscloud's anomalous 762logs batch at 2.2/file to Klaus_cloud_public's 29.5/file peak. Usmancloud's 28.0/file positions it near the top of this range, suggesting the operator either targeted higher-value endpoints deliberatly or benefited from a particularly productive infection campaign. For comparison, BananaLogs 495count averaged 18.5/file and SunCloudPubl's 440pcs batch averaged 15.2/file -- both well below Usmancloud's output rate.

Usmancloud as a New Oct 6 Operator

Usmancloud 733logs represents a newly confirmed operator in the Oct 6 multi-operator cluster -- one of 20 non-Monster Cloud distributors active on that day. Its entry to the confirmed roster pushes the non-MC Oct 6 total to 373,726 records. Combined with Monster Cloud's 286,334-record contribution across 21 batches, the Oct 6 grand total now exceeds 660,000 exposed US stealer log credentials. By any measure, October 6, 2023 is the largest single-day credential exposure event in HEROIC's dataset, surpasing October 7's 462,187 by nearly 200,000 records.

Plaintext Passwords: The Immediate Threat from Stealer Logs

Usmancloud's 20,522 records carry plaintext passwords captured at the moment of infection -- no hashing, no encryption, no time needed for cracking. Attackers can use these credentials directly for credential stuffing across email, banking, social media, and workplace platforms. At 28.0 records per infected endpoint, each compromised machine in Usmancloud's haul represents a concentrated bundle of live credentials, making this release more actionable per file than the majority of Oct 6 datasets.

Check If Your Data Was Exposed

HEROIC's free breach scanner covers more than 400 billion records, including the Usmancloud 733logs release and the full scope of Oct 6's 660,000+ credential cluster. Check your exposure now at HEROIC's breach scanner -- free, instant, no account required.