HackingTechnologyProfessional ServicesInformationStolen CredentialsCapture Stored DataSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDPIIMediumContained

Northdrop Grumman Systems

bd_3c2045ea7cc7ec28 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Apr 19, 2017

To disclose

—

Affected

1state residents only

Linked

4 filings

Confidence

66%

Northrop Grumman notified Montana residents that Equifax Workforce Solutions, its W-2 portal provider, experienced unauthorized access between April 2016 and March 2017. Personal information including SSNs and W-2 data may have been accessed. Northrop Grumman disabled non-SSO access and offered credit monitoring.

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Incident timeline

Apr 18, 2016

Begins

Apr 19, 2017

Filed

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

New Hampshire State AGbd_471efff6f4a020952017-04-19Verified
Massachusetts State AGbd_7cea83babb311e742017-04-19Verified
California State AGbd_d31c0124f8fc82e52017-04-19Verified

Name: Northrop Grumman
norm: northrop grumman
Domain: northropgrumman.com

Name: Northdrop Grumman Systems
norm:
Domain: northropgrumman.com
Industry: TechnologyllmProfessional Servicesllm

Discovered: —
Breach occurred: Apr 18, 2016 – Mar 29, 2017
Materiality determined: —
Notification sent: Apr 18, 2017
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government IDPII
Data elements: Social Security number
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: Coordinating with law enforcement authorities
Third party: via Equifax Workforce Solutions
Initial access: valid_credentials

During the incident: Worked with Equifax to determine the details of the issue
Disabled online access to the W-2 online portal for all log-in methods other than Single Sign On
Coordinating with law enforcement authorities
Offered three years of ID Patrol identity theft protection services
Changes made: Disabled online access to the W-2 online portal for all log-in methods other than Single Sign On
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

New Hampshire State AGApr 19 · first

Massachusetts State AGApr 19 · first

California State AGApr 19 · first

Montana State AGApr 19 · 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/Northdrop-Grumman-Systems.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 19, 2017
Raw hash: a34626fb05c899a3e8deaf410b01890ec7bf317298a43815439b99d0e07a5f6e

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityNorthrop Grumman

Victim entityNorthdrop Grumman Systems

IncidentThird-Party / Supply Chain

Stated responseWorked with Equifax to determine the details of the issue

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov