MalwareFinancial ServicesFinanceRansomwareData EncryptedData ExfiltratedCustomer Data InvolvedSupply Chain (3P Vendor)Identity (basic)LowResolved

Horace Mann Life Insurance Company

bd_3df1d23b0229e249 · schema v1 · pii pii-v1

Severity

Low

Discovered

Nov 2, 2023

Filed

Sep 9, 2025

To disclose

23 months

Affected

Not disclosed

Linked

5 filings

Confidence

64%

Full breach record for Horace Mann Life Insurance Company →4 incidents on file

Horace Mann Life Insurance Company reported a ransomware incident affecting its third-party service provider, Infosys McCamish Systems, LLC. Unauthorized activity occurred between October 29, 2023, and November 2, 2023, when systems were encrypted. The investigation determined that data was subject to unauthorized access and acquisition, including names and other personal information. The incident has been contained and remediated. Affected individuals are offered 24 months of credit monitoring.

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Incident timeline

undetected · 4 days

discovery → filing · 23 months / 677 days

Oct 29, 2023

Begins

Nov 2, 2023

Discovered

Sep 9, 2025

Filed

vs. sector median

+88 wks slower

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Montana State AGbd_1d50f1d777f6f7562025-09-09Candidate
Texas State AGbd_85a6184a0b4eca5c2025-09-10 · +1dVerified
Massachusetts State AGbd_ad72fc26b38ad45c2025-09-16 · +7dVerified
Illinois State AGbd_2d675b74e0f817092025-09-01 · +8dVerified

Name: Horace Mann Life Insurance Company
norm: horace mann life insurance

Name: Horace Mann Life Insurance Company
norm: horace mann life insurance
Industry: Financial Servicesllm

Discovered: Nov 2, 2023
Breach occurred: Oct 29, 2023 – Nov 2, 2023
Undetected for: 4 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Third party: via Infosys McCamish Systems, LLC

During the incident: Began an investigation with the assistance of third-party cybersecurity experts, retained through outside counsel
Notified law enforcement
Contained and remediated the incident
Conducted a thorough and time-intensive review of the data at issue to identify the personal information subject to unauthorized access and acquisition
Changes made: Took steps to reduce the likelihood of a similar event occurring in the future
Continued to make additional improvements that strengthen cybersecurity posture
Provided twenty-four (24) months of complimentary credit monitoring and identity restoration services through Kroll
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 23 months(677 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Illinois State AGSep 1 · first

Montana State AG+8d

California State AG+8d · this page

Texas State AG+9d

Massachusetts State AG+15d

Pattern: first filing Sep 1 (IL), last Sep 16 (MA) — a 15-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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.

Source URL: https://oag.ca.gov/ecrime/databreach/reports/sb24-608339
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 9, 2025
Raw hash: ae2af88e70a200f8b2cf2ebe25cb8e82f261670303c84c952230c57f45205b07

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityHorace Mann Life Insurance Company

Victim entityHorace Mann Life Insurance Company

Incidentdiscovered Nov 2, 2023

Stated responseBegan an investigation with the assistance of third-party cybersecurity experts, retained through outside counsel

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov