HackingHealthcareHealthcareCustomer Data InvolvedGovernment IDCriticalContained

Highmark Inc

bd_f75581b2eb9ebe57 · schema v1 · pii pii-v1

Severity

Critical

Discovered

Dec 15, 2022

Filed

Feb 3, 2023

To disclose

7 weeks

Affected · nationwide

300,0002,774 in this filing

Linked

10 filings

Confidence

50%

Full breach record for Highmark Inc →8 incidents on file

Healthcare organization Highmark reported an external system breach that occurred from December 13 to December 15, 2022. The breach was discovered on December 15, 2022, and affected 2,774 Maine residents, compromising their Social Security Numbers. Highmark offered affected individuals 24 months of complimentary credit monitoring and identity theft restoration services.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Dec 15, 2022 → Filed with AG Feb 3, 202350d ⏱ ME AG >30d7 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 · 7 weeks / 50 days

Dec 13, 2022

Begins

Dec 15, 2022

Discovered

Feb 3, 2023

Filed

vs. sector median

5 wks faster

This filing is one of 10 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (9) · sorted by filing gap

California State AGbd_e3ddb304e00287ca2023-02-03Candidate
Washington State AGbd_942a588b7d88d2c32023-02-06 · +3dVerified
South Carolina State AGbd_f08d1e5c8ae3fa0f2023-02-07 · +4dVerified
HHS OCRbd_67a2105beb6464002023-02-10 · +7dVerified

Show 5 more filings ↓up to 143d gap

HHS OCRbd_979c36a1443ad8f12023-02-10 · +7dVerified
Indiana State AGbd_b1db1c0f4716a2872023-02-10 · +7dVerified
Delaware State AGbd_b2b69efe74984e652023-02-10 · +7dVerified
Delaware State AGbd_9b2ceab0938674db2023-02-15 · +12dVerified
New Hampshire State AGbd_445a421e449e6ca32023-06-26 · +143dVerified

Name: Highmark Inc
norm: highmark
Domain: highmark.com

Name: Highmark Inc
norm: highmark
Domain: highmark.com
Industry: Healthcarellm

Discovered: Dec 15, 2022
Breach occurred: Dec 13, 2022 – Dec 15, 2022
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 13, 2023
Affected individuals: 300,000state + nationwide
Data types: Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access

Changes made: Offered 24 months of complimentary credit monitoring, fraud consultation, and identity theft restoration services.
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(50 days from discovery to filing)
Compliance flags: ME AG >30d · 50dME 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: Dec 15, 2022
→ Filed with AG: Feb 3, 2023
50d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Dec 15, 2022 → Filed with AG: Feb 3, 2023	50d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 10 filings · 8 states

View merged incident ↗

California State AGFeb 3 · first

Maine State AGFeb 3 · first · this page

Washington State AG+3d

South Carolina State AG+4d

HHS OCR+7d

Indiana State AG+7d

Delaware State AG+7d

Delaware State AG+12d

New Hampshire State AG+143d

Pattern: first filing Feb 3 (CA), last Jun 26 (NH) — a 143-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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/67bb2ced-9a70-4248-b728-68a92a56c860.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 3, 2023
Raw hash: 4b3da2d496738844a71e14271999ce6d00307d5616bb0dc172189b09c4547b2b

Linked disclosures

Regulatory filings (9) · sorted by filing gap

Reporting entityHighmark Inc

Victim entityHighmark Inc

Incidentdiscovered Dec 15, 2022

Stated responseOffered 24 months of complimentary credit monitoring, fraud consultation, and identity theft restoration services.

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov