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Confirmed11 records · 8 statesUnverified claimConfirmedEnforceddispossessorhigh sensitivity

Merged incident · 11 records

Westat, Inc. — May 2023 breach

Clustered 11 records across 8 jurisdictions: 10 filings and 1 leak-site claim · filing window Jul 21, 2023 → Nov 3, 2023. View entity profile → Other incidents for this victim →

⚠ 2 cross-filing discrepancies →Merge100%

Determination

Confirmed

Members

11 records

States

Affected · reported

51,513

First → last filing

Jul 21, 2023 → Nov 3, 2023

Merge confidence

100%

incident inc_c86759fc19634658 · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 10 regulatory filings and 1 unverified claim. The filings describe hacking. Intrusion May 28, 2023–May 29, 2023, discovered May 30, 2023 — the first regulatory filing landed 52 days later; 1 later filing was flagged late. 51,513 individuals reported across the linked filings. Data reported: Government ID, PII, Identity (basic), and 3 more. Notifications rolled out on a 105-day schedule across 10 filings beginning Jul 21, 2023. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Notification delay

52days

Discovered → first regulatory filing

Discovery variance

23days

Range of discovered_at dates across filings

Leak precedence

11days before filing

Days between the first sighting of the earliest-seen leak-site claim and the first regulatory filing. Measured from when the aggregator first saw the post, not the crew's own (often earlier) date. 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

105days

Time between earliest and latest filing

Not recorded for this incident

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

Regulatory clocksHIPAA✗ HHS report lateVermont⏱ VT AG >14 bdayLeak gap⏱ Leak >90dMaine✓ ME AG ≤30d · 29dMassachusetts✓ MA credit monitoring dueFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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