HackingFinancial ServicesFinanceData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)CriticalContained

Sun Life Financial

bd_16876df7363dddd3 · schema v1 · pii pii-v1

Severity

Critical

Discovered

May 31, 2023

Filed

Nov 6, 2023

To disclose

23 weeks

Affected · nationwide

212,1291,269 in this filing

Linked

2 filings

Confidence

66%

Full breach record for Sun Life Financial →3 incidents on file

Sun Life Financial reported an external system breach (hacking) occurring on May 29-30, 2023, discovered on May 31, 2023. The incident affected 212,129 individuals, including 1,269 Maine residents. Acquired data included names and Social Security Numbers. Sun Life provided written notification and offered 24 months of identity theft protection services. The filing is a supplemental notice submitted to the Maine Attorney General.

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Maine clockDiscovered May 31, 2023 → Filed with AG Nov 6, 2023159d ✗ ME AG >90d23 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 · 23 weeks / 159 days

May 29, 2023

Begins

May 31, 2023

Discovered

Nov 6, 2023

Filed

vs. sector median

+14 wks slower

This filing is one of 2 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 (1) · sorted by filing gap

California State AGbd_3d34eccb54cb53822023-11-06Verified

Name: Sun Life Financial
norm: sun life financial
Industry: Financial Services

Name: Sun Life Financial
norm: sun life financial
Domain: sunlifedistributors.com
Industry: Financial Services
Industry: Financial Servicesllm

Discovered: May 31, 2023
Breach occurred: May 29, 2023 – May 30, 2023
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 15, 2023
Affected individuals: 212,129state + nationwide
Data types: Government IDIdentity (basic)
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: ExternalFinancial
Regulator citations: Filed data breach notice with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Sent written notification to affected individuals
Offered 24 months of identity theft protection services
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 23 weeks(159 days from discovery to filing)
Compliance flags: ME AG >90d · 159dME resident >60d · 107dME CRA notice due
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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: May 31, 2023
→ Filed with AG: Nov 6, 2023
159d 90 days ME AG >90d
Maine
Discovered: May 31, 2023
→ Notified: Sep 15, 2023
107d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: May 31, 2023 → Filed with AG: Nov 6, 2023	159d	90 days	ME AG >90d
Maine	Discovered: May 31, 2023 → Notified: Sep 15, 2023	107d	60 days (analyst band; statutory cap is 30 days)	ME resident >60d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

California State AGNov 6 · first

Maine State AGNov 6 · first · this page

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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/ca59df25-ff9d-4ed0-9051-b9af4edfe348.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 6, 2023
Raw hash: 03a0784ca0635fc5df9218194cf5785805aae310c670bbf90a8e7ff7231fd157

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entitySun Life Financial

Victim entitySun Life Financial

Incidentdiscovered May 31, 2023

Stated responseSent written notification to affected individuals

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov