HackingFinancial ServicesFinanceStolen CredentialsData ExfiltratedCustomer Data InvolvedPIIIdentity (basic)Government IDMediumActive

Grant Street Asset Management, Inc.

bd_cceebe95cf26adc4 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 22, 2021

Filed

Jul 29, 2021

To disclose

5 weeks

Affected

10state residents only

Linked

3 filings

Confidence

65%

Full breach record for Grant Street Asset Management, Inc. →2 incidents on file

Grant Street Asset Management, Inc. notified the Washington AG of a data breach involving unauthorized access to employee email accounts. Unauthorized access occurred from March 11 to June 22, 2021. Approximately 610,000 emails were accessed, with ~22% containing PII. No evidence of data copying or misuse was found. Investigation ongoing.

J jump to incidentP pin to compareR raw source

Washington clock⏱ WA AG >30d5 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 103 days

discovery → filing · 5 weeks / 37 days

Mar 11, 2021

Begins

Jun 22, 2021

Discovered

Jul 29, 2021

Filed

vs. sector median

3 wks faster

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

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Oregon State AGbd_5b2d434c55fb58932021-08-19 · +21dCandidate
Delaware State AGbd_643790564e1b328d2021-09-09 · +42dVerified

Name: Metz Lewis Brodman Must O'Keefe
norm: metz lewis brodman must o keefe
Domain: metzlewis.com

Name: Grant Street Asset Management, Inc.
norm: grant street asset management
Industry: Financial Servicesllm

Discovered: Jun 22, 2021
Breach occurred: Mar 11, 2021 – Jun 22, 2021
Undetected for: 103 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 10state-resident count only
Data types: PIIIdentity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External
Regulator citations: Notified Attorney General Bob Ferguson's office
Initial access: valid_credentials

During the incident: Immediately shut down access to the affected email server
Retained data forensic and IT consultants to identify the cause and scope of breach
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(37 days from discovery to filing)
Compliance flags: WA AG >30d
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Washington State AGJul 29 · first · this page

Oregon State AG+21d

Delaware State AG+42d

Pattern: first filing Jul 29 (WA), last Sep 9 (DE) — a 42-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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachM10889.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 29, 2021
Raw hash: d8d05c179f2bb5c7f77caf544f6c9a253d086a5b0c682dbb67e030c91c951508

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityMetz Lewis Brodman Must O'Keefe

Victim entityGrant Street Asset Management, Inc.

Incidentdiscovered Jun 22, 2021

Stated responseImmediately shut down access to the affected email server

ComplianceWA AG >30d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com