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Confirmed15 filings · 11 statesUnverified claimConfirmedEnforcedcl0phigh sensitivity

Merged incident · 15 filings

ERNST & YOUNG LLP — May 2023 breach

Clustered 15 filings across 12 jurisdictions · filing window Jan 1, 2023 → Apr 30, 2024. View entity profile → Other incidents for this victim →

⚠ 1 cross-filing discrepancy →Merge100%

Determination

Confirmed

Members

15 filings

States

Affected · reported

168,714

First → last filing

Jan 1, 2023 → Apr 30, 2024

Merge confidence

100%

incident inc_c21a0252c2e84970 · merged by human · confidence 100%

Part of the Progress Software Corporation supply-chain incident (2023) — at least 97 organizations filed notifications naming this third party.

Confirmed breach. Merged as one breach: 14 regulatory filings and 1 unverified claim. The filings describe hacking. Intrusion May 27, 2023–May 31, 2023, discovered May 31, 2023. 168,714 individuals reported across the linked filings. Data reported: Government ID, Identity (basic), Financial account, and 2 more. Notifications rolled out on a 485-day schedule across 14 filings beginning Jan 1, 2023. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental

Discovery variance

0days

Range of discovered_at dates across filings

Leak precedence

Noneclaim trailed by 173d

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

485days

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 >180dOregon✗ OR AG >45dWashington⏱ WA AG >30dMaine⏱ ME AG >30d · 70dFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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