MalwareGovernmentGovernmentRansomwareCapture Stored DataData ExfiltratedData EncryptedCustomer Data InvolvedTargetedPIIIdentity (basic)LowContained

Regional Transportation Authority of Northeastern Illinois

bd_c649b7a19c6ad3b6 · schema v1 · pii pii-v1

Severity

Low

Discovered

Mar 4, 2023

Filed

Aug 15, 2023

To disclose

23 weeks

Affected

2state residents only

Linked

6 filings

Confidence

66%

Full breach record for Regional Transportation Authority of Northeastern Illinois →

Regional Transportation Authority of Northeastern Illinois (RTA) notified the NH AG of a ransomware incident. Unauthorized access occurred March 1-3, 2023; detected March 4, 2023. Files viewed/downloaded. 2 NH residents affected. Notification sent Aug 14, 2023. Credit monitoring offered.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 3 days

discovery → filing · 23 weeks / 164 days

Mar 1, 2023

Begins

Mar 4, 2023

Discovered

Aug 15, 2023

Filed

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Maine State AGbd_5b4a81b839af13712023-08-14 · +1dCandidate
Montana State AGbd_64574ce9cefe16412023-08-14 · +1dVerified by operator
Indiana State AGbd_915363123bc3cc442023-08-14 · +1dVerified
Vermont State AGbd_b34e58983fd4ef7a2023-08-14 · +1dVerified

Show 1 more filing ↓up to 1d gap

Massachusetts State AGbd_d01aef59f92905362023-08-14 · +1dVerified

Name: Regional Transportation Authority of Northeastern Illinois
norm: regional transportation authority of northeastern illinois

Name: Regional Transportation Authority of Northeastern Illinois
norm: regional transportation authority of northeastern illinois
Industry: Governmentllm

Discovered: Mar 4, 2023
Breach occurred: Mar 1, 2023 – Mar 3, 2023
Undetected for: 3 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 14, 2023
Affected individuals: 2state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: promptly reported the event to federal law enforcementproviding written notice of this event to appropriate state regulatory authorities

During the incident: Took steps to secure its systems
Conducted an investigation with the assistance of third-party cybersecurity and digital forensic specialists
Promptly reported the event to federal law enforcement
Undertook a comprehensive and time-intensive review of the contents of the potentially affected files
Worked to validate the results of the review and determine address information for impacted individuals
Provided written notice of this event to potentially affected individuals
Notified federal law enforcement
Providing access to credit monitoring services for individuals whose personal information was potentially affected by this event, at no cost to these individuals
Established a dedicated assistance telephone line to address questions or concerns from notified individuals
Providing potentially affected individuals with guidance on how to better protect against identity theft and fraud
Providing written notice of this event to appropriate state regulatory authorities, and to the three nationwide consumer reporting agencies
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 23 weeks(164 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Maine State AGAug 14 · first

Montana State AGAug 14 · first

Indiana State AGAug 14 · first

Vermont State AGAug 14 · first

Massachusetts State AGAug 14 · first

New Hampshire State AG+1d · 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/regional-transportation-authority-northeastern-illinois-20230815.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 15, 2023
Raw hash: e11008223acf12d76cd4e960db9bd478a4c025abef732c0ca04b10ee128494a7

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityRegional Transportation Authority of Northeastern Illinois

Victim entityRegional Transportation Authority of Northeastern Illinois

Incidentdiscovered Mar 4, 2023

Stated responseTook steps to secure its systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov