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Leak SiteState AGConfirmed4 filings · 3 statesLifecycle stage 2 of 3: ConfirmedUnverified claimConfirmedEnforcedpayloadhigh sensitivity
Merged incident · 4 filings

Carlysle Engineering, Inc. — March 2026 breach

Clustered 4 filings across 4 jurisdictions · filing window Mar 26, 2026 → May 14, 2026. View entity profile → Other incidents for this victim →

⚠ 1 cross-filing discrepancy →Merge100%

Determination

Confirmed

Members

4 filings

States

3

Affected · reported

156

First → last filing

Mar 26, 2026 → May 14, 2026

Merge confidence

100%

incident inc_79749ec5952145ca · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 3 regulatory filings and 1 unverified claim. Intrusion Mar 23, 2026–Mar 23, 2026, discovered Mar 23, 2026 — the first regulatory filing landed 52 days later. 156 individuals reported across the linked filings. Data reported: Government ID, PII, Identity (basic), and 2 more. Notifications rolled out on a 48-day schedule across 3 filings beginning Mar 26, 2026. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental
Notification delay
52days

Discovered → first regulatory filing

Discovery variance
0days

Range of discovered_at dates across filings

Leak precedence
48days before filing

Days between the first leak-site claim and the first regulatory filing. Positive = the claim came first (public exposure before disclosure). Negative = the claim trailed the filing, so there was no pre-disclosure leak. Counts regulatory filings only — press coverage is not a regulatory disclosure.

Filing span
48days

Time between earliest and latest filing

Not recorded for this incident

Materiality delta · SEC filing delay — no SEC 8-K in this cluster.

Regulatory clocksMaine⏱ ME AG >30d · 52dLeak gap⏱ Leak >30dMassachusetts⏱ MA AG >30dFull clock table in Litigation Timeline

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Carlysle Engineering, Inc. data breach (2026) · DisclosureLens