HackingHealthcareHealthcareMedium

Prominence Health Plan

bd_da30b44faac0a809 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 22, 2021

Filed

Jun 18, 2021

To disclose

8 weeks

Affected · nationwide

45,0001 in this filing

Linked

7 filings

Confidence

64%

Full breach record for Prominence Health Plan →2 incidents on file

Prominence Health Plan reported an external system breach (hacking) that occurred on November 30, 2020, and was discovered on April 22, 2021. The incident affected 45,000 individuals. Affected individuals were notified in writing on June 21, 2021, and offered 12 months of credit monitoring and identity theft assistance services through Experian.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Apr 22, 2021 → Filed with AG Jun 18, 202157d ⏱ ME AG >30d8 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 · 143 days

discovery → filing · 8 weeks / 57 days

Nov 30, 2020

Begins

Apr 22, 2021

Discovered

Jun 18, 2021

Filed

vs. sector median

3 wks faster

This filing is one of 7 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

HHS OCRbd_4c56e78d6f3a77502021-06-18Verified
California State AGbd_90ba934885c520402021-06-18Verified
Montana State AGbd_9c223d1e0ebe27ee2021-06-18Verified
Massachusetts State AGbd_fe670afeaf3c14262021-06-18Verified

Show 2 more filings ↓up to 168d gap

Indiana State AGbd_66cd2925d686ce772021-06-21 · +3dVerified
Illinois State AGbd_a1bb365e226cb91a2021-01-01 · +168dCandidate

Name: HOLLAND & KNIGHT LLP
norm: holland knight

Name: Prominence Health Plan
norm: prominence health plan
Industry: Healthcarellm

Discovered: Apr 22, 2021
Breach occurred: Nov 30, 2020
Undetected for: 143 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 21, 2021
Affected individuals: 45,000state + nationwide
Data types: —
Attack vector: Unauthorized Access
Threat actor: External

During the incident: Sent written notification to affected consumers.
Changes made: Offered 12 months of credit monitoring and ID theft assistance services from Experian.
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(57 days from discovery to filing)
Compliance flags: ME AG >30d · 57d
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: Apr 22, 2021
→ Filed with AG: Jun 18, 2021
57d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Apr 22, 2021 → Filed with AG: Jun 18, 2021	57d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 7 states

View merged incident ↗

Illinois State AGJan 1 · first

HHS OCR+168d

California State AG+168d

Montana State AG+168d

Massachusetts State AG+168d

Maine State AG+168d · this page

Indiana State AG+171d

Pattern: first filing Jan 1 (IL), last Jun 21 (IN) — a 171-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/ebde4fe9-c475-4075-862b-622c3913c3cc.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 18, 2021
Raw hash: ec99a8c522349d1c34cfe380e4f5ff99aee5c315b0718127882dfab2ca9bea96

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityHOLLAND & KNIGHT LLP

Victim entityProminence Health Plan

Incidentdiscovered Apr 22, 2021

Stated responseSent written notification to affected consumers.

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov