Monster Cloud Free 62 Stealer Log | 12,109 US Records Exposed

Monster Cloud Free 62: A Mid-Range Batch in a Wildly Variable Sequence

Monster Cloud Free 62 released 12,109 plaintext US credentials on October 7, 2023, placing it in the mid-range tier of that day's 24-batch operation totaling 391,463 records. Free 62 sits at the midpoint of one of the most dramatically discontinuous three-batch sequences in the confirmed Oct 7 series: Free 61 contains just 6,395 records, Free 62 contains 12,109, and Free 63 contains 22,219. These three consecutive batch numbers span a nearly fourfold record count range -- a vivid illustration of Monster Cloud's administratively assigned numbering system that bears no relation to harvest volume.

Monster Cloud Free 62 (October 2023): Stealer Log Summary

• Records Exposed: 12,109
• 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 7, 2023

The 61-62-63 Sequence: Three Consecutive Batches, Three Size Tiers

The sequence Free 61 → Free 62 → Free 63 is exceptional even by Monster Cloud's standards of batch size discontinuity. Free 61 at 6,395 records is one of only two confirmed small-tier outliers (below 7,000 records) in the entire Oct 7 operation. Free 62 at 12,109 is solidly mid-range. Free 63 at 22,219 qualifies as large tier, approaching the super-large threshold. Three consecutive batch numbers representing three distinct size tiers demonstrates unambiguously that Monster Cloud's batch numbering reflects administrative sequencing -- likely the order batches were prepared or queued for upload -- not any characteristic of the underlying data or endpoint pool being processed.

Mid-Range Consistency Across the Oct 7 Series

Free 62's 12,109 records place it within a densely populated mid-range band that includes Free 35 (12,904), Free 39 (12,499), Free 41 (13,280), Free 47 (11,192), Free 51 (12,413), Free 54 (12,018), Free 58 (12,258), and Free 67 (14,070). Eight confirmed batches within a relatively narrow 11,000-14,000 record band is a statistically notable cluster. The repeatability of this mid-range output -- across batches spanning the full confirmed batch number range from Free 35 to Free 67 -- suggests a consistent harvest pipeline or endpoint category that reliably produced this credential volume regardless of when in the day's operation it was processed.

Plaintext Passwords: The Core Threat in Every Monster Cloud Batch

Regardless of whether a Monster Cloud batch contains 6,000 or 27,000 records, every credential in every batch carries the same immediate risk: plaintext passwords directly usable for credential stuffing. Infostealer malware captures credentials at the point of browser session authentication and from saved password stores, delivering them to operators without any encryption layer. Free 62's 12,109 plaintext password-email pairs represent 12,109 accounts where the password was valid as of the infection date in October 2023. Any account where that password has not been rotated since remains vulnerble to direct takeover.

Check If Your Data Was Exposed

HEROIC's free breach scanner covers more than 400 billion exposed records, including Monster Cloud Free 62 and all 23 other confirmed Oct 7 Monster Cloud batches totaling 391,463 records. If your credentials were harvested and distributed through Monster Cloud or any other October 7 stealer log channel, early detection is critical. Check your exposure at HEROIC's breach scanner now.