HackingFinancial ServicesTechnologyFinanceVulnerability ExploitSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDHighContained

MassMutual Ascend Life Insurance Company

bd_d785566522727515 · schema v1 · pii pii-v1

Severity

High

Discovered

May 31, 2023

Filed

Aug 10, 2023

To disclose

10 weeks

Affected

18,675state residents only

Linked

4 filings

Confidence

70%

Full breach record for MassMutual Ascend Life Insurance Company →

Pension Benefit Information, LLC (PBI), a third-party vendor for MassMutual Ascend Life Insurance Company, disclosed a cybersecurity incident involving the MOVEit Transfer software vulnerability exploited by an unauthorized third party. The breach occurred May 29-30, 2023, and was discovered on May 31, 2023. Downloaded data included names, SSNs, DOBs, and policy numbers. PBI notified affected individuals and offered 24 months of credit monitoring.

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Washington clock⏱ WA AG >30d10 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 2 days

discovery → filing · 10 weeks / 71 days

May 29, 2023

Begins

May 31, 2023

Discovered

Aug 10, 2023

Filed

vs. sector median

+2 wks slower

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

Part of Progress Software Corporation supply-chain incident (2023) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Delaware State AGbd_9b4ff371ed65a0f42023-08-23 · +13dVerified by operator
Oregon State AGbd_c8b4bb4a833c56132023-09-13 · +34dVerified
California State AGbd_80ce89a868e7f51b2023-09-14 · +35dVerified by operator

Name: Pension Benefit Information, LLC
norm: pension benefit information

Name: MassMutual Ascend Life Insurance Company
norm: massmutual ascend life insurance
Industry: Financial ServicesllmTechnologyllm

Discovered: May 31, 2023
Breach occurred: May 29, 2023 – May 30, 2023
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 18,675state-resident count only
Data types: Identity (basic)Government ID
Data elements: NameSocial Security numberDate of birth
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found after the fact
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Third party: via Progress Software
Initial access: exploit_public_facing

During the incident: Patch servers
Investigate
Assess the security of our systems
Notify potentially affected customers and individuals
Reviewing and enhancing our information security policies and procedures
Offering you access to 24 months of complimentary credit monitoring and identity restoration services through Kroll
Changes made: Reviewing and enhancing our information security policies and procedures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 weeks(71 days from discovery to filing)
Compliance flags: WA AG >30d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Washington State AGAug 10 · first · this page

Delaware State AG+13d

Oregon State AG+34d

California State AG+35d

Pattern: first filing Aug 10 (WA), last Sep 14 (CA) — a 35-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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachA26163.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 10, 2023
Raw hash: 3798f8aa92b6d179cda9c88d2ca2209d8f2e3ec46ea32291384c67234227dfab

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityPension Benefit Information, LLC

Victim entityMassMutual Ascend Life Insurance Company

Incidentdiscovered May 31, 2023

Stated responsePatch servers

ComplianceWA AG >30d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com