MalwareManufacturingManufacturingRansomwareData ExfiltratedRansom DemandedEmployee Data InvolvedIdentity (basic)MediumContained

BRIDGESTONE AMERICAS, INC.

bd_1b802bad20332c27 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 27, 2022

Filed

Aug 29, 2022

To disclose

26 weeks

Affected

1,066state residents only

Linked

3 filings

Confidence

70%

Full breach record for BRIDGESTONE AMERICAS, INC. →2 incidents on file

Bridgestone Americas, Inc. reported a ransomware incident to Washington AG. Unauthorized access occurred between Feb 9-27, 2022, resulting in data exfiltration to an external cloud platform. Affected data included names and dates of birth of current and former employees. 1,066 Washington residents were affected. The company took systems offline, notified law enforcement, and engaged forensic investigators.

J jump to incidentP pin to compareR raw source

Leak gap clock✗ Leak >180d26 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 18 days

discovery → filing · 26 weeks / 183 days

Feb 9, 2022

Begins

Feb 27, 2022

Discovered

Aug 29, 2022

Filed

vs. sector median

+15 wks slower

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitelockbit_3bd_be6de4c676e02e092022-02-27 · +183dVerified by operator

Regulatory filings (1) · sorted by filing gap

Massachusetts State AGbd_31fb8b491849c5272022-08-29Verified

Name: BRIDGESTONE AMERICAS, INC.
norm: bridgestone americas
Domain: bridgestoneamericas.com
Industry: Manufacturing

Name: BRIDGESTONE AMERICAS, INC.
norm: bridgestone americas
Domain: bridgestoneamericas.com
Industry: Manufacturing
Industry: Manufacturingllm

Discovered: Feb 27, 2022
Breach occurred: Feb 9, 2022 – Feb 27, 2022
Undetected for: 18 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 1,066state-resident count only
Data types: Identity (basic)
Data elements: NameDate of birth
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found while ongoingContained same day
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified federal law enforcement

During the incident: Took systems offline to help contain the incident
Notified federal law enforcement
Retained global cybersecurity professionals to conduct an extensive investigation
Changes made: Password changes across the company
Additional deployment of advanced detection and response software
Enhanced logging, monitoring, and alerting capabilities
Secured the services of Kroll to provide identity monitoring at no cost to you for two years
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 26 weeks(183 days from discovery to filing)
Compliance flags: Leak >180dWA AG >90d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Massachusetts State AGAug 29 · first

Washington State AGAug 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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachA14854.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 29, 2022
Raw hash: 4975814a1e0b6d44d37cd35d719c76ed3f51e03aa7e488c825f95ecb1785b8ed

Linked disclosures

Ransomware claims (1)

Regulatory filings (1) · sorted by filing gap

Reporting entityBRIDGESTONE AMERICAS, INC.

Victim entityBRIDGESTONE AMERICAS, INC.

Incidentdiscovered Feb 27, 2022

Stated responseTook systems offline to help contain the incident

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com