HackingOtherStolen CredentialsData ExfiltratedTargetedIdentity (basic)Government IDFinancial accountMediumContained

STOCK Development

bd_ef819a7f76acc6c3 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 2, 2024

Filed

Jan 24, 2025

To disclose

47 weeks

Affected

13state residents only

Linked

10 filings

Confidence

66%

Full breach record for STOCK Development →2 incidents on file

Stock Development, LLC notified individuals of a data breach where an unauthorized third party accessed the network between April 25, 2023, and March 2, 2024. The incident exposed names, DOBs, government IDs, and financial account numbers. The company engaged forensic experts and notified law enforcement.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 312 days

discovery → filing · 47 weeks / 328 days

Apr 25, 2023

Begins

Mar 2, 2024

Discovered

Jan 24, 2025

Filed

vs. sector median

+39 wks slower

This filing is one of 10 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (2)

Leak Sitelockbit_3bd_8f92d0c14899858e2024-03-03 · +327dVerified by operator
Leak Sitelockbit_3bd_98b47c73183fa2f42024-03-02 · +328dVerified by operator

Regulatory filings (7) · sorted by filing gap

Nebraska State AGbd_17d5cd5487512e142025-01-24Candidate
Indiana State AGbd_563c5359047c72c92025-01-24Verified
Vermont State AGbd_bafa11d865906e232025-01-24Verified
New Hampshire State AGbd_2c4e06e906f6e96d2025-01-30 · +6dVerified

Show 3 more filings ↓up to 293d gap

Maine State AGbd_89748bc44487d2612025-02-03 · +10dVerified
Massachusetts State AGbd_b3a0b6cf7ef6e8e42025-02-04 · +11dVerified
Maryland State AGbd_befcafda45b88e532025-11-13 · +293dVerified

Name: STOCK Development
norm: stock development
Domain: stockdevelopment.com

Name: STOCK Development
norm: stock development
Domain: stockdevelopment.com
Industry: Otherllm

Discovered: Mar 2, 2024
Breach occurred: Apr 25, 2023 – Mar 2, 2024
Undetected for: 312 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 13state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security numberDate of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified law enforcement
Initial access: valid_credentials

During the incident: Hired third-party experts to address this situation, perform an investigation into the unauthorized activity, and further secure our systems
Notified law enforcement
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 47 weeks(328 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 8 filings · 8 states

View merged incident ↗

Nebraska State AGJan 24 · first

Indiana State AGJan 24 · first

Vermont State AGJan 24 · first

Montana State AGJan 24 · first · this page

New Hampshire State AG+6d

Maine State AG+10d

Massachusetts State AG+11d

Maryland State AG+293d

Pattern: first filing Jan 24 (NE), last Nov 13 (MD) — a 293-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://dojmt.gov/wp-content/uploads/2025/03/Consumer-notification-letter-160.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 24, 2025
Raw hash: 530e9fe31b37f3c845f0f4abda6440e6250fc1e8d63b4f7ee306a8d2f0882117

Linked disclosures

Ransomware claims (2)

Regulatory filings (7) · sorted by filing gap

Reporting entitySTOCK Development

Victim entitySTOCK Development

Incidentdiscovered Mar 2, 2024

Stated responseHired third-party experts to address this situation, perform an investigation into the unauthorized activity, and further secure our systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov