HackingFinancial ServicesFinanceCustomer Data InvolvedGovernment IDIdentity (basic)CriticalContained

Cornerstone National Insurance Company

bd_d12b3c9b6f2c782e · schema v1 · pii pii-v1

Severity

Critical

Discovered

Jul 6, 2022

Filed

Aug 5, 2022

To disclose

4 weeks

Affected · nationwide

232,39133 in this filing

Linked

6 filings

Confidence

66%

Full breach record for Cornerstone National Insurance Company →

Cornerstone National Insurance Company reported an external system breach (hacking) occurring on November 29, 2021, discovered on July 6, 2022. The incident compromised the names and driver's license numbers of 232,391 individuals, including 33 Maine residents. The company provided written notification on August 4, 2022, and offered 12 months of credit monitoring and ID theft recovery services.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Jul 6, 2022 → Filed with AG Aug 5, 202230d ✓ ME AG ≤30d4 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 · 219 days

discovery → filing · 4 weeks / 30 days

Nov 29, 2021

Begins

Jul 6, 2022

Discovered

Aug 5, 2022

Filed

vs. sector median

4 wks faster

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Oregon State AGbd_67f029cf84dfb4552022-08-05Verified by operator
Massachusetts State AGbd_bcc8d01b5fdff38a2022-08-05Verified
California State AGbd_df6a00800b5266ee2022-08-05Verified
Indiana State AGbd_21ef867d92598c142022-08-04 · +1dVerified

Show 1 more filing ↓up to 1d gap

Montana State AGbd_a93121fce616d9912022-08-04 · +1dCandidate

Name: Cornerstone National Insurance Company
norm: cornerstone national insurance

Name: Cornerstone National Insurance Company
norm: cornerstone national insurance
Industry: Financial Servicesllm

Discovered: Jul 6, 2022
Breach occurred: Nov 29, 2021
Undetected for: 219 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 4, 2022
Affected individuals: 232,391state + nationwide
Data types: Government IDIdentity (basic)
Data elements: Driver's licence number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
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 12 months of credit and Cyberscan monitoring
Offered a $1,000,000 insurance reimbursement policy
Offered fully managed ID theft recovery services
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 4 weeks(30 days from discovery to filing)
Compliance flags: ME AG ≤30d · 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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Jul 6, 2022
→ Filed with AG: Aug 5, 2022
30d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jul 6, 2022 → Filed with AG: Aug 5, 2022	30d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Indiana State AGAug 4 · first

Montana State AGAug 4 · first

Oregon State AG+1d

Massachusetts State AG+1d

California State AG+1d

Maine State AG+1d · 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-a1252b4f8318/0e2b3fa0-c37d-4645-afca-54ea90420a0e.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 5, 2022
Raw hash: 822c0208c4600ef1eabd943eaa398971e831b1c5eff21b2e3bb95d1eaadfd1c1

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityCornerstone National Insurance Company

Victim entityCornerstone National Insurance Company

Incidentdiscovered Jul 6, 2022

Stated responseSent written notification to affected individuals

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov