The Northwestern Mutual Life Insurance Company — October 2023 breach

Clustered 16 filings across 7 jurisdictions · filing window Feb 7, 2024 → Mar 8, 2024 (dated filings only). View entity profile → Other incidents for this victim →

⚠ 2 cross-filing discrepancies →Merge100%

Determination

Confirmed

Members

16 filings

States

Affected · reported

62,656

First → last dated filing

Feb 7, 2024 → Mar 8, 2024

Merge confidence

100%

incident inc_6b5fb591615b4b4a · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 16 regulatory filings. Intrusion Oct 29, 2023–Nov 2, 2023, discovered Mar 1, 2023. 62,656 individuals reported across the linked filings. Data reported: Government ID, Identity (basic), and PII. Notifications rolled out on a 30-day schedule across 14 dated filings beginning Feb 7, 2024. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental

Discovery variance

341days

Range of discovered_at dates across filings

Filing span

30days

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 clocksMaine✓ ME AG ≤30d · 14dOregon✓ OR AG ≤45dFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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