HackingIdentity (basic)LowContained

HANNOVER LIFE REASSURANCE COMPANY OF AMERICA

bd_065f54a13e15921d · schema v1 · pii pii-v2

Severity

Low

Discovered

Oct 22, 2024

Filed

Jun 11, 2025

To disclose

—

Affected

Not disclosed

Confidence

67%

Full breach record for HANNOVER LIFE REASSURANCE COMPANY OF AMERICA →

Liberty Mutual Insurance Company notified Nebraska AG of a security incident involving Hannover Life Reassurance Company of America. On October 22, 2024, a Hannover employee detected unusual activity on a laptop. The incident was isolated to Hannover's network. Personal information (names) was exposed. No evidence of misuse was found. Liberty Mutual offered 12 months of credit monitoring. FBI was notified.

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Incident timeline

Oct 22, 2024

Discovered

Jun 11, 2025

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

Name: Liberty Mutual Insurance Company
norm: liberty mutual insurance

Name: HANNOVER LIFE REASSURANCE COMPANY OF AMERICA
norm: hannover life reassurance company of america

Discovered: Oct 22, 2024
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: Internal
Regulator citations: Hannover notified the FBI Computer Crime Section
Initial access: valid_credentials

During the incident: Hannover’s security group took immediate steps to secure the laptop and ensure that no unauthorized activity could occur on their network
Hannover notified the FBI Computer Crime Section of the event and worked with other cyber security professionals
Offering complimentary credit monitoring and identity restoration services for twelve (12) months through Cyberscout
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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://nebraska.gov/ago/data-breach/documents/cfb0a351-b713-4c59-afba-f6bb9f5aeeae.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 11, 2025
Raw hash: a039e3e434a651ea1ad6610af0a7b6df6cf73c9b1ab1769ab5dd9eb2093293e6

Reporting entityLiberty Mutual Insurance Company

Victim entityHANNOVER LIFE REASSURANCE COMPANY OF AMERICA

Incidentdiscovered Oct 22, 2024

Stated responseHannover’s security group took immediate steps to secure the laptop and ensure that no unauthorized activity could occur on their network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov