MalwareManufacturingManufacturingRansomwareCapture Stored DataData ExfiltratedData EncryptedIdentity (basic)Government IDMediumContained

Springfield Armory

bd_1ce232a623062c03 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 12, 2021

Filed

Aug 16, 2021

To disclose

22 weeks

Affected

1state residents only

Confidence

66%

Full breach record for Springfield Armory →2 incidents on file

Springfield Armory, Inc. notified Montana residents of a March 12, 2021 ransomware incident that encrypted files and resulted in the exfiltration of names and Social Security numbers. The company engaged a cybersecurity firm for investigation and offered one year of Experian Identity Works credit monitoring to affected individuals.

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Incident timeline

discovery → filing · 22 weeks / 157 days

Mar 12, 2021

Discovered

Aug 16, 2021

Filed

vs. sector median

+12 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: Springfield Armory
norm: springfield armory
Domain: springfield-armory.com

Name: Springfield Armory
norm: springfield armory
Domain: springfield-armory.com
Industry: Manufacturingllm

Discovered: Mar 12, 2021
Materiality determined: —
Notification sent: Aug 16, 2021
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial

During the incident: Investigated the incident with the help of a leading cybersecurity firm
Took steps to prevent any recurrence
Reviewed the contents of all files that may have been acquired
Offered a complimentary one-year membership of Experian Identity Works Credit 3B
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 22 weeks(157 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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/OCP/notificationLetter-54.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 16, 2021
Raw hash: 11aba30d5d9c9a4808c5b01bc479df9ae274172bcc226e249af7d318cb1c7a6b

Reporting entitySpringfield Armory

Victim entitySpringfield Armory

Incidentdiscovered Mar 12, 2021

Stated responseInvestigated the incident with the help of a leading cybersecurity firm

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov