HackingOtherCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Promontory Investments LLC

bd_3b5e87d5e5788bef · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 13, 2024

Filed

Nov 13, 2025

To disclose

—

Affected

12state residents only

Linked

6 filings

Confidence

65%

Full breach record for Promontory Investments LLC →

Promontory Investments LLC reported an unauthorized access to its network occurring between Nov 11-13, 2024, discovered Nov 13, 2024. 12 Maryland residents' names, DOB, contact info, and SSNs were accessed. Promontory contained the breach, engaged forensic investigators, notified law enforcement, and mailed notices on Jan 14, 2025, offering credit monitoring.

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Incident timeline

undetected · 2 days

Nov 11, 2024

Begins

Nov 13, 2024

Discovered

Nov 13, 2025

Filed

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Massachusetts State AGbd_bc0784d8ba891f312025-01-17 · +300dVerified
Maine State AGbd_fa00472beb09de252025-01-17 · +300dVerified
New Hampshire State AGbd_fd871fc6fe003ae62025-01-17 · +300dVerified
Nebraska State AGbd_48a6c44f2221fcda2025-01-14 · +303dCandidate

Show 1 more filing ↓up to 303d gap

Indiana State AGbd_861fbc9cc10f27402025-01-14 · +303dVerified

Name: Pasha A. Sternberg
norm: pasha a sternberg

Name: Promontory Investments LLC
norm: promontory investments
Also named: Promontory Investments LLCdba oflegal entity
Promontory Clubdba oftrade name
Industry: Otherllm

Discovered: Nov 13, 2024
Breach occurred: Nov 11, 2024 – Nov 13, 2024
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jan 14, 2025
Affected individuals: 12state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security numberDate of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Notified Maryland Office of the Attorney General
Initial access: exploit_public_facing

During the incident: Promptly contained the issue
Began an internal investigation
Engaged a third-party forensic firm to further investigate the incident and confirm the security of its systems
Notified law enforcement
Changes made: Enhancing its technical security measures
Providing them with information on how they can protect against fraudulent activity and ID theft
Offering a complimentary one-year membership of Experian IdentityWorks SM Credit 3B
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Nebraska State AGJan 14 · first

Indiana State AGJan 14 · first

Massachusetts State AG+3d

Maine State AG+3d

New Hampshire State AG+3d

Maryland State AG+303d · this page

Pattern: first filing Jan 14 (NE), last Nov 13 (MD) — a 303-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://oag.maryland.gov/resources-info/SBN%20Documents/2025/ITU-376211.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 13, 2025
Raw hash: 1e9901fb865d150bca7ad30d1f95892789488a7b946c6ce71e879c1035f2521d

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityPasha A. Sternberg

Victim entityPromontory Investments LLC

Incidentdiscovered Nov 13, 2024

Stated responsePromptly contained the issue

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.maryland.gov