DisclosureLens
Leak SiteState AGConfirmed6 filings · 5 statesLifecycle stage 2 of 3: ConfirmedUnverified claimConfirmedEnforcedakirahigh sensitivity
Merged incident · 6 filings

Stanford University — May 2023 breach

Clustered 6 filings across 6 jurisdictions · filing window Oct 27, 2023 Mar 11, 2024. View entity profile → Other incidents for this victim →

1 cross-filing discrepancyMerge100%

Determination

Confirmed

Members

6 filings

States

5

Affected · reported

27,000

First → last filing

Oct 27, 2023 Mar 11, 2024

Merge confidence

100%

incident inc_05591545cecb490e · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 5 regulatory filings and 1 unverified claim. Intrusion May 12, 2023–Sep 27, 2023, discovered Sep 27, 2023 — the first regulatory filing landed 166 days later (flagged late). 27,000 individuals reported across the linked filings. Data reported: Government ID, Health (basic), Identity (basic), and 1 more. Notifications rolled out on a 136-day schedule across 5 filings beginning Oct 27, 2023. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Notification delay
166days

Discovered → first regulatory filing

Discovery variance
0days

Range of discovered_at dates across filings

Leak precedence
136days 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
136days

Time between earliest and latest filing

Not recorded for this incident

Materiality delta · SEC filing delayno SEC 8-K in this cluster.

Regulatory clocksLeak gap Leak >180dCalifornia CA 60-day late · 166dVermont VT AG >45 bdayMaine ME AG >90d · 166dFull clock table in Litigation Timeline

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Stanford University data breach (2023) · DisclosureLens