HackingGovernmentGovernmentStolen CredentialsCapture Stored DataData ExfiltratedTargetedPIIIdentity (basic)LowContained

Regional Transportation Authority of Northeastern Illinois

bd_64574ce9cefe1641 · schema v1 · pii pii-v1

Severity

Low

Discovered

Mar 4, 2023

Filed

Aug 14, 2023

To disclose

23 weeks

Affected

2state residents only

Linked

6 filings

Confidence

65%

Full breach record for Regional Transportation Authority of Northeastern Illinois →

Regional Transportation Authority of Northeastern Illinois notified Montana residents of a data breach occurring March 1-3, 2023, discovered March 4, 2023. An unknown actor accessed systems and potentially viewed/downloaded files containing names and other personal information. RTA engaged forensic specialists, reported to federal law enforcement, and offered credit monitoring via Experian.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 3 days

discovery → filing · 23 weeks / 163 days

Mar 1, 2023

Begins

Mar 4, 2023

Discovered

Aug 14, 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_5b4a81b839af13712023-08-14Candidate
Indiana State AGbd_915363123bc3cc442023-08-14Verified
Vermont State AGbd_b34e58983fd4ef7a2023-08-14Verified
Massachusetts State AGbd_d01aef59f92905362023-08-14Verified

Show 1 more filing ↓up to 1d gap

New Hampshire State AGbd_c649b7a19c6ad3b62023-08-15 · +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 11, 2023
Affected individuals: 2state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: reported this event to federal law enforcement and government regulators

During the incident: Immediately took steps to secure our systems
Launched an investigation with the assistance of cyber incident response specialists
Reported the event to federal law enforcement
Conducted a comprehensive review of the files
Offering you [Extra4] months of credit monitoring and identity restoration services at no cost to you through Experian
Changes made: Working to review and further enhance these protections as part of our ongoing commitment to data security
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 23 weeks(163 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

Indiana State AGAug 14 · first

Vermont State AGAug 14 · first

Massachusetts State AGAug 14 · first

Montana State AGAug 14 · first · this page

New Hampshire State AG+1d

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/Consumer-notification-letter-554.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 14, 2023
Raw hash: 52514655148f8770d82a903296796150981bfc46ff097e0ad86e272a227230fb

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 responseImmediately took steps to secure our systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov