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Confirmed11 filings · 8 statesUnverified claimConfirmedEnforcedcontihigh sensitivity

Merged incident · 11 filings

Marymount Manhattan College — November 2021 breach

Clustered 11 filings across 9 jurisdictions · filing window Nov 16, 2021 → Aug 29, 2022. View entity profile → Other incidents for this victim →

⚠ 2 cross-filing discrepancies →Merge100%

Determination

Confirmed

Members

11 filings

States

Affected · reported

191,752

First → last filing

Nov 16, 2021 → Aug 29, 2022

Merge confidence

100%

incident inc_c1d999606d3c4d0c · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 10 regulatory filings and 1 unverified claim. Intrusion Nov 9, 2021–Nov 12, 2021, discovered Nov 12, 2021 — the first regulatory filing landed 259 days later (flagged late). 191,752 individuals reported across the linked filings. Data reported: Government ID, Identity (basic), PII, and 6 more. Notifications rolled out on a 286-day schedule across 10 filings beginning Nov 16, 2021. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental

Notification delay

259days

Discovered → first regulatory filing

Discovery variance

283days

Range of discovered_at dates across filings

Leak precedence

255days 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

286days

Time between earliest and latest filing

Not recorded for this incident

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

Regulatory clocksLeak gap✗ Leak >180dWashington✗ WA AG >90dCalifornia✗ CA 60-day late · 264dFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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