HackingFinancial ServicesFinanceStolen CredentialsCustomer Data InvolvedPIIIdentity (basic)LowContained

Massachusetts Mutual Life Insurance Company

bd_ac1cfa7a115c4825 · schema v1 · pii pii-v1

Severity

Low

Discovered

Feb 2, 2023

Filed

Apr 27, 2023

To disclose

12 weeks

Affected

1state residents only

Linked

4 filings

Confidence

65%

Full breach record for Massachusetts Mutual Life Insurance Company →48 incidents on file

Massachusetts Mutual Life Insurance Company notified Montana residents of unauthorized access to an independent agency employee's online account on February 1, 2023. The incident involved exposure of personal information from emails and files. MassMutual secured the account, investigated, and offered 24 months of IdentityForce protection.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 1 days

discovery → filing · 12 weeks / 84 days

Feb 1, 2023

Begins

Feb 2, 2023

Discovered

Apr 27, 2023

Filed

vs. sector median

+3 wks slower

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

California State AGbd_61bf81906947ed942023-04-27Candidate
Massachusetts State AGbd_3286757bf71339b62023-04-26 · +1dVerified
Indiana State AGbd_3f4272bdb56e10c92023-05-04 · +7dVerified

Name: Massachusetts Mutual Life Insurance Company
norm: massachusetts mutual life insurance

Name: Massachusetts Mutual Life Insurance Company
norm: massachusetts mutual life insurance
Industry: Financial Servicesllm

Discovered: Feb 2, 2023
Breach occurred: Feb 1, 2023 – Feb 1, 2023
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Apr 27, 2023
Affected individuals: 1state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Secured the agency employee’s account
Launched an investigation to determine the full nature and scope of the incident
Performed an assessment of the Microsoft Outlook mailbox and other impacted systems
Arranged to have IdentityForce protect your identity for 24 months at no cost
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 12 weeks(84 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Massachusetts State AGApr 26 · first

California State AG+1d

Montana State AG+1d · this page

Indiana State AG+8d

Pattern: first filing Apr 26 (MA), last May 4 (IN) — a 8-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://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-226.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 27, 2023
Raw hash: 46cb0832aea4f748fa624769e8ebcda684ac65eb0f1829f13bfbd5cb3e95f96b

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityMassachusetts Mutual Life Insurance Company

Victim entityMassachusetts Mutual Life Insurance Company

Incidentdiscovered Feb 2, 2023

Stated responseSecured the agency employee’s account

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov