HackingProfessional ServicesProfessional ServicesStolen CredentialsTargetedIdentity (basic)Government IDMediumContained

Moss Adams LLP

bd_940338ee53203d0b · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 10, 2019

Filed

Dec 19, 2019

To disclose

10 weeks

Affected

12state residents only

Linked

3 filings

Confidence

67%

Full breach record for Moss Adams LLP →

Moss Adams LLP notified Montana residents that an unauthorized third party accessed a single employee email account on October 10, 2019. The account contained names and Social Security numbers. Moss Adams secured the account, investigated, and offered one year of credit monitoring via TransUnion.

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Incident timeline

discovery → filing · 10 weeks / 70 days

Oct 10, 2019

Discovered

Dec 19, 2019

Filed

vs. sector median

9 wks faster

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Massachusetts State AGbd_6e8d5db7fa3982792019-12-22 · +3dVerified
California State AGbd_62dee1c866be38a82020-02-26 · +69dVerified

Name: Moss Adams LLP
norm: moss adams

Name: Moss Adams LLP
norm: moss adams
Industry: Professional Servicesllm

Discovered: Oct 10, 2019
Materiality determined: —
Notification sent: —
Affected individuals: 12state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Took steps to secure the account
Launched an investigation
Offering you a one-year membership to TransUnion Interactive’s myTrueIdentity credit monitoring and identity restoration service
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 weeks(70 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Montana State AGDec 19 · first · this page

Massachusetts State AG+3d

California State AG+69d

Pattern: first filing Dec 19 (MT), last Feb 26 (CA) — a 69-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/OCP/Consumer-47.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 19, 2019
Raw hash: 5aae9c7bb35886573a4a28c5a90e4f656534d238eed6aa70675c592cf5cbf073

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityMoss Adams LLP

Victim entityMoss Adams LLP

Incidentdiscovered Oct 10, 2019

Stated responseTook steps to secure the account

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov