PhysicalTransportation & LogisticsTransportationLossEmployee Data InvolvedIdentity (basic)Government IDFinancial accountHealth (basic)EmploymentMediumResolved

Keolis Transit America, Inc.

bd_cfa2089146ff0aa2 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 23, 2021

Filed

Dec 3, 2021

To disclose

28 weeks

Affected

Not disclosed

Linked

3 filings

Confidence

65%

Full breach record for Keolis Transit America, Inc. →

Keolis Transit America reported the loss of a thumb drive containing employee personal information, including names, addresses, SSNs, financial account details, and limited medical data. The drive was found by unrelated individuals in a laundromat on May 23, 2021, who returned it to the company. The breach window is listed as Jan 4 - May 23, 2021. Affected individuals were offered 12 months of identity monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 139 days

discovery → filing · 28 weeks / 194 days

Jan 4, 2021

Begins

May 23, 2021

Discovered

Dec 3, 2021

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_6ffd112849c15aed2021-12-03Verified
Indiana State AGbd_e220200c5ac2de3a2021-12-03Verified

Name: Keolis Transit America, Inc.
norm: keolis transit america

Name: Keolis Transit America, Inc.
norm: keolis transit america
Industry: Transportation & Logisticsllm

Discovered: May 23, 2021
Breach occurred: Jan 4, 2021 – May 23, 2021
Undetected for: 139 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial accountHealth (basic)Employment
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unknown
MITRE ATT&CK: T1052 Exfiltration Over Physical Medium
Threat actor: External

During the incident: Engaged third-party forensic experts to assist with this review
Retained Kroll to provide 12 months of identity and monitoring services, free of charge
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 28 weeks(194 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 AGDec 3 · first

Indiana State AGDec 3 · first

California State AGDec 3 · 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://oag.ca.gov/ecrime/databreach/reports/sb24-548188
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 3, 2021
Raw hash: bf55a69656287357c430f725dc0d7320e0109b7b0b802dc09bd2a940e12c5db7

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityKeolis Transit America, Inc.

Victim entityKeolis Transit America, Inc.

Incidentdiscovered May 23, 2021

Stated responseEngaged third-party forensic experts to assist with this review

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov