HackingProfessional ServicesProfessional ServicesData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumActive

Gallagher NAC

bd_d016f68e21f1ab0c · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 21, 2017

Filed

Nov 13, 2017

To disclose

8 weeks

Affected

579state residents only

Linked

5 filings

Confidence

66%

Full breach record for Gallagher NAC →

Gallagher NAC notified Washington AG of a data event affecting 579 residents. Unusual activity was detected on Sept 21, 2017, involving a database tied to a web application. Data left the system between June 18 and Sept 19, 2017. Affected data likely included names and SSNs. GNAC disabled the app, engaged forensic investigators, and offered 12 months of credit monitoring.

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Incident timeline

undetected · 95 days

discovery → filing · 8 weeks / 53 days

Jun 18, 2017

Begins

Sep 21, 2017

Discovered

Nov 13, 2017

Filed

vs. sector median

11 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

Oregon State AGbd_a59e584f1b7409712017-11-13Candidate
New Hampshire State AGbd_afacb937f8715b572017-11-13Verified
Massachusetts State AGbd_c1cec3b579ba2a9b2017-11-13Verified
California State AGbd_d97fa06fce1519992017-11-13Verified

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: Gallagher NAC
norm: gallagher nac
Industry: Professional Servicesllm

Discovered: Sep 21, 2017
Breach occurred: Jun 18, 2017 – Sep 19, 2017
Undetected for: 95 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 13, 2017
Affected individuals: 579state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified Office of the Attorney General (Washington)Reporting this incident to law enforcementProviding written notice to other state regulators and the consumer reporting agencies

During the incident: Disabled the web application
Retained a leading third-party forensic investigation firm
Providing all individuals whose personal information was in the GNAC database with access to 12 months of free credit and identity monitoring services
Established a dedicated hotline for potentially affected individuals
Reporting this incident to law enforcement
Providing written notice of this incident to other state regulators and the consumer reporting agencies
Changes made: Working with third-party security experts to ensure the security of its systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(53 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Oregon State AGNov 13 · first

New Hampshire State AGNov 13 · first

Massachusetts State AGNov 13 · first

California State AGNov 13 · first

Washington State AGNov 13 · 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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachM9749.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 13, 2017
Raw hash: 32c5f1986db7ea4f9de21d4641523d1a161cf20473822ecff3a6d4072f241e6b

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityGallagher NAC

Incidentdiscovered Sep 21, 2017

Stated responseDisabled the web application

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com