HackingProfessional ServicesProfessional ServicesStolen CredentialsCustomer Data InvolvedData ExfiltratedIdentity (basic)Government IDHealth (basic)Financial accountPHIMediumContained

Grellas Shah LLP

bd_a1a6335d399500ab · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 20, 2021

Filed

Sep 1, 2022

To disclose

36 weeks

Affected

3state residents only

Linked

6 filings

Confidence

65%

Full breach record for Grellas Shah LLP →

Grellas Shah LLP notified individuals of unauthorized access to employee email accounts between Dec 2021 and Mar 2022. Investigation determined access to names, SSNs, health info, and financial data. Firm secured accounts, engaged cybersecurity firm, and offered credit monitoring.

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Incident timeline

discovery → filing · 36 weeks / 255 days

Dec 20, 2021

Begins

Dec 20, 2021

Discovered

Sep 1, 2022

Filed

vs. sector median

+18 wks slower

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

New Hampshire State AGbd_3ca83b0554b466cb2022-09-01Verified
Indiana State AGbd_4a9d9d1978f1c6782022-09-01Verified
California State AGbd_50f122b56b1dddef2022-09-01Candidate
Maine State AGbd_57d0ecb4ab2237332022-09-01Verified

Show 1 more filing ↓

Massachusetts State AGbd_bbba80dfc3d4fe7f2022-09-01Verified

Name: Grellas Shah LLP
norm: grellas shah

Name: Grellas Shah LLP
norm: grellas shah
Industry: Professional Servicesllm

Discovered: Dec 20, 2021
Breach occurred: Dec 20, 2021 – Mar 28, 2022
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 3state-resident count only
Data types: Identity (basic)Government IDHealth (basic)Financial accountPHI
Data elements: Social Security numberMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External
Initial access: valid_credentials

During the incident: Took steps to secure the email accounts
Engaged a cybersecurity firm
Conducted a review of the emails and attachments in the mailboxes
Offered a free two-year membership in Equifax Credit Watch Gold
Changes made: Implemented additional measures to enhance existing security protocols
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 36 weeks(255 days from discovery to filing)
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 ↗

New Hampshire State AGSep 1 · first

Indiana State AGSep 1 · first

California State AGSep 1 · first

Maine State AGSep 1 · first

Massachusetts State AGSep 1 · first

Montana State AGSep 1 · first · this page

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/OCP/Consumer-Notification-Letter-535.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 1, 2022
Raw hash: a496e1ffbe2bedd9c9a2deef774de8a75f87eeb61b2e324c639e06b762a9201d

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityGrellas Shah LLP

Victim entityGrellas Shah LLP

Incidentdiscovered Dec 20, 2021

Stated responseTook steps to secure the email accounts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov