DisclosureLens
Leak SiteState AGConfirmed16 records · 12 statesLifecycle stage 2 of 3: ConfirmedUnverified claimConfirmedEnforcedcl0phigh sensitivity
Merged incident · 16 records

National Student Clearinghouse — May 2023 breach

Clustered 16 records across 12 jurisdictions: 15 filings and 1 leak-site claim · filing window Aug 30, 2023 → Dec 18, 2023 (dated filings only). View entity profile → Other incidents for this victim →

Determination

Confirmed

Members

16 records

States

12

Affected · reported

271,496

First → last dated filing

Aug 30, 2023 → Dec 18, 2023

Merge confidence

100%

incident inc_46d5b89c5e144a9d · merged by human · confidence 100%

Part of the Progress Software Corporation supply-chain incident (2023) — at least 89 organizations filed notifications naming this third party.
Confirmed breach. Merged as one breach: 15 regulatory filings and 1 unverified claim. The filings describe hacking. Intrusion May 30, 2023, discovered May 30, 2023. 271,496 individuals reported across the linked filings. Data reported: Government ID, Identity (basic), Education, and 1 more. Notifications rolled out on a 110-day schedule across 14 dated filings beginning Aug 30, 2023. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental
Discovery variance
21days

Range of discovered_at dates across filings

Filing span
110days

Time between earliest and latest filing

Not recorded for this incident

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

Regulatory clocksLeak gap✗ Leak >180dVermont✗ VT AG >45 bdayWashington✗ WA AG >90dMaine⏱ ME AG >30d · 72dFull clock table in Litigation Timeline

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