MalwareManufacturingManufacturingRansomwareData EncryptedRansom DemandedIdentity (basic)Government IDCredentialsPHIHealth (basic)EmploymentMediumContained

BRIGGS & STRATTON CORPORATION

bd_721524b104463a0d · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 25, 2017

Filed

Sep 29, 2017

To disclose

9 weeks

Affected

4state residents only

Linked

4 filings

Confidence

63%

Full breach record for BRIGGS & STRATTON CORPORATION →

Briggs & Stratton Corporation notified Montana residents of a malware attack on its Milwaukee, WI and Munnsville, NY systems. The incident occurred July 25-28, 2017, and was discovered on July 25, 2017. Data potentially compromised included PII, SSNs, health info, and credentials. The company engaged forensic consultants, notified law enforcement (FBI, DHS, WI DOJ), and provided one year of credit monitoring and identity theft services.

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Incident timeline

discovery → filing · 9 weeks / 66 days

Jul 25, 2017

Begins

Jul 25, 2017

Discovered

Sep 29, 2017

Filed

vs. sector median

1 wks faster

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

HHS OCRbd_04265db53b8c0fc42017-09-29Verified
Massachusetts State AGbd_38a468e49d82bbfe2017-09-29Verified
New Hampshire State AGbd_b95a19b3f27be0ac2017-09-29Verified

Name: BRIGGS & STRATTON CORPORATION
norm: briggs stratton

Name: BRIGGS & STRATTON CORPORATION
norm: briggs stratton
Industry: Manufacturingllm

Discovered: Jul 25, 2017
Breach occurred: Jul 25, 2017 – Jul 28, 2017
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 29, 2017
Affected individuals: 4state-resident count only
Data types: Identity (basic)Government IDCredentialsPHIHealth (basic)Employment
Data elements: Social Security numberDate of birth
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Regulator citations: Notified the Federal Bureau of InvestigationNotified the Department of Homeland SecurityNotified the Wisconsin Department of Justice

During the incident: Notified the Federal Bureau of Investigation
Notified the Department of Homeland Security
Notified the Wisconsin Department of Justice
Hired forensic consultants to eradicate the malware
Provided individuals with credit monitoring and identity theft services for one year
Changes made: Eradicated the malware
Determined if any information was compromised
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(66 days from discovery to filing)
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 ↗

HHS OCRSep 29 · first

Massachusetts State AGSep 29 · first

New Hampshire State AGSep 29 · first

Montana State AGSep 29 · 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/Briggs-Stratton.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 29, 2017
Raw hash: 5ecf6318f1a53e9b9d89b036832e218e9d87e33ae0c284d99af8199df592e39c

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityBRIGGS & STRATTON CORPORATION

Victim entityBRIGGS & STRATTON CORPORATION

Incidentdiscovered Jul 25, 2017

Stated responseNotified the Federal Bureau of Investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov