DisclosureLens
MalwareFinancial ServicesFinanceRansomwareData ExfiltratedData EncryptedSupply Chain (3P Vendor)Customer Data InvolvedPIIIdentity (basic)LowResolved

The Northwestern Mutual Life Insurance Company

bd_272a1b1cde119499 · schema v1 · pii pii-v1

Severity

Low

Discovered

Nov 2, 2023

Filed

Jun 27, 2024

To disclose

34 weeks

Affected

Not disclosed

Confidence

65%
Full breach record for The Northwestern Mutual Life Insurance Company →22 incidents on file

Northwestern Mutual Life Insurance Company disclosed a ransomware incident affecting its third-party service provider, Infosys McCamish Systems (IMS). Unauthorized access and data acquisition occurred between October 29 and November 2, 2023. IMS systems were encrypted. Northwestern Mutual's internal systems were not compromised. Affected individuals were offered 24 months of identity monitoring.

Incident timeline

undetected · 4 days
discovery → filing · 34 weeks / 238 days

Oct 29, 2023

Begins

Nov 2, 2023

Discovered

Jun 27, 2024

Filed

vs. sector median

+24 wks slower

Part of INFOSYS MCCAMISH SYSTEMS, LLC supply-chain incident (2024) — a supply-chain cascade affecting multiple organizations.View cascade →
Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed53,668 affectedView incident

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.