Greylock McKinnon Associates — May 2023 breach

Clustered 10 filings across 8 jurisdictions · filing window Feb 23, 2024 → Apr 16, 2024. View entity profile → Other incidents for this victim →

⚠ 2 cross-filing discrepancies →Merge100%

Determination

Confirmed

Members

10 filings

States

Affected · reported

352,965

First → last filing

Feb 23, 2024 → Apr 16, 2024

Merge confidence

100%

incident inc_4bbf9979c6ab4e59 · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 10 regulatory filings. Intrusion May 17, 2023–May 30, 2023, discovered May 30, 2023 — the first regulatory filing landed 269 days later (flagged late). 352,965 individuals reported across the linked filings. Data reported: Government ID, PII, Identity (basic), and 3 more. Notifications rolled out on a 53-day schedule across 10 filings beginning Feb 23, 2024. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental

Notification delay

269days

Discovered → first regulatory filing

Discovery variance

253days

Range of discovered_at dates across filings

Filing span

53days

Time between earliest and latest filing

Not recorded for this incident

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

Regulatory clocksCalifornia✗ CA 60-day late · 314dOregon✗ OR AG >45dWashington✗ WA AG >90dMaine⏱ ME AG >30d · 58dSouth Carolina✓ SC CRA notice dueFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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