Social EngineeringManufacturingManufacturingPhishingCustomer Data InvolvedPIIGovernment IDFinancialMediumActive

Brunswick Corporation

bd_d625a60e1ede7e3f · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 29, 2016

Filed

May 5, 2016

To disclose

6 days

Affected

3state residents only

Linked

3 filings

Confidence

66%

Full breach record for Brunswick Corporation →4 incidents on file

Brunswick Corporation notified the NH AG of a phishing incident on April 29, 2016, where an employee inadvertently sent W-2 forms (containing SSNs and income data) to an attacker posing as an executive. Three NH residents were affected. Brunswick engaged law enforcement, notified the IRS, and offered credit monitoring and identity repair services to affected employees.

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Incident timeline

discovery → filing · 6 days

Apr 29, 2016

Begins

Apr 29, 2016

Discovered

May 5, 2016

Filed

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_4250da52fef4757c2016-05-05Verified
Montana State AGbd_45fd4ed38b73b8352016-05-05Candidate

Name: Jenner & Block LLP
norm: jenner block

Name: Brunswick Corporation
norm: brunswick
Domain: brunswick.com
Industry: Manufacturingllm

Discovered: Apr 29, 2016
Breach occurred: Apr 29, 2016
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 2, 2016
Affected individuals: 3state-resident count only
Data types: PIIGovernment IDFinancial
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1114 Email Collection
Threat actor: ExternalFinancial
Regulator citations: Notified Attorney General Joseph Fosterworking with law enforcement authoritiesworking with the IRS
Initial access: phishing_link

During the incident: Working with law enforcement authorities to identify the cyber attacker
Working with the IRS to ensure they are fully informed of the incident
Offering the affected individuals complimentary two-year enrollment in AllClear ID's AllClear SECURE identity repair assistance service and AllClear PRO credit monitoring and $1 million identity theft insurance policy
Informally notified its affected employees on Monday, May 2, 2016
Notified all three consumer reporting agencies of the incident
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 days(6 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 ↗

Massachusetts State AGMay 5 · first

Montana State AGMay 5 · first

New Hampshire State AGMay 5 · 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://mm.nh.gov/files/uploads/doj/remote-docs/brunswick-20160505.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 5, 2016
Raw hash: b14c65fa3210200fd7814f78d70d8d95cc009e92b5aff7344f6d3b6b15effbd8

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityJenner & Block LLP

Victim entityBrunswick Corporation

Incidentdiscovered Apr 29, 2016

Stated responseWorking with law enforcement authorities to identify the cyber attacker

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov