Regional Transportation Authority of Northeastern Illinois — March 2023 breach

Clustered 6 filings across 6 jurisdictions · filing window Aug 14, 2023 → Aug 15, 2023. View entity profile → Other incidents for this victim →

⚠ 2 cross-filing discrepancies →Merge100%

Determination

Confirmed

Members

6 filings

States

Affected · reported

2,629

First → last filing

Aug 14, 2023 → Aug 15, 2023

Merge confidence

100%

incident inc_f54f86098f25405c · merged by human · confidence 100%

Confirmed breach. Merged as one breach: 6 regulatory filings. The filings describe unauthorized access. Intrusion Mar 1, 2023–Mar 3, 2023, discovered Mar 4, 2023 — the first regulatory filing landed 163 days later (flagged late). 2,629 individuals reported across the linked filings. Data reported: Government ID, Identity (basic), and PII. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Notification delay

163days

Discovered → first regulatory filing

Discovery variance

145days

Range of discovered_at dates across filings

Filing span

1days

Time between earliest and latest filing

Not recorded for this incident

Leak precedence · Materiality delta · SEC filing delay — no leak-site claim in this cluster; no SEC 8-K in this cluster.

Regulatory clocksVermont✗ VT AG >45 bdayMaine✓ ME AG ≤30d · 18dMassachusetts✓ MA credit monitoring dueFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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