HackingProfessional ServicesProfessional ServicesData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)HighContained

Berglund Management Group, Inc

bd_35307bb0e233a5cd · schema v1 · pii pii-v1

Severity

High

Discovered

Oct 26, 2023

Filed

Nov 29, 2023

To disclose

5 weeks

Affected · nationwide

51,51410 in this filing

Linked

5 filings

Confidence

66%

Full breach record for Berglund Management Group, Inc →

Berglund Management Group, Inc. reported an external system breach (hacking) occurring on May 10, 2023, discovered on October 26, 2023. The incident affected 51,514 individuals, including 10 Maine residents. Acquired data included names and Social Security Numbers. The company provided written notification and offered 12 months of credit monitoring through TransUnion.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Oct 26, 2023 → Filed with AG Nov 29, 202334d ⏱ ME AG >30d5 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 169 days

discovery → filing · 5 weeks / 34 days

May 10, 2023

Begins

Oct 26, 2023

Discovered

Nov 29, 2023

Filed

vs. sector median

13 wks faster

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Vermont State AGbd_05c9fb72677aef112023-11-29Verified
Massachusetts State AGbd_a455d438a8eac01c2023-11-29Verified
Montana State AGbd_beb6e93097fc97ad2023-11-29Candidate
New Hampshire State AGbd_3f6e7a28f20780752023-12-04 · +5dVerified

Name: Berglund Management Group, Inc
norm: berglund management

Name: Berglund Management Group, Inc
norm: berglund management
Industry: Professional Servicesllm

Discovered: Oct 26, 2023
Breach occurred: May 10, 2023
Undetected for: 169 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 22, 2023
Affected individuals: 51,514state + nationwide
Data types: Government IDIdentity (basic)
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Initial access: exploit_public_facing

During the incident: Sent written notification to affected individuals
Offered 12 months of 1B credit monitoring through TransUnion
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(34 days from discovery to filing)
Compliance flags: ME AG >30d · 34d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Oct 26, 2023
→ Filed with AG: Nov 29, 2023
34d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Oct 26, 2023 → Filed with AG: Nov 29, 2023	34d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Vermont State AGNov 29 · first

Massachusetts State AGNov 29 · first

Montana State AGNov 29 · first

Maine State AGNov 29 · first · this page

New Hampshire State AG+5d

Pattern: first filing Nov 29 (VT), last Dec 4 (NH) — a 5-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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/c9235763-e7fe-4021-a8df-bee2566db8d9.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 29, 2023
Raw hash: 14d79ccc8ea30521d19a68640fb42b34eb23fae6369bddb39576993656e8d79c

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityBerglund Management Group, Inc

Victim entityBerglund Management Group, Inc

Incidentdiscovered Oct 26, 2023

Stated responseSent written notification to affected individuals

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov