HackingFinancial ServicesFinanceCustomer Data InvolvedIdentity (basic)Government IDHighContained

Park Bank

bd_d3014d01120eaf27 · schema v1 · pii pii-v1

Severity

High

Discovered

Oct 11, 2023

Filed

Nov 29, 2023

To disclose

7 weeks

Affected · nationwide

2,0811 in this filing

Confidence

66%

Full breach record for Park Bank →2 incidents on file

Park Bank, a financial services entity based in Madison, Wisconsin, reported a cybersecurity incident to the Maine Attorney General. The breach occurred on May 27, 2023, and was discovered on October 11, 2023. The incident involved an external system breach (hacking) affecting 2,081 individuals, including one Maine resident. Affected data included names and personal identifiers combined with government-issued identifiers. Park Bank provided written notification on November 29, 2023, and offered two years of complimentary identity monitoring services through Kroll.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Oct 11, 2023 → Filed with AG Nov 29, 202349d ⏱ 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 · 137 days

discovery → filing · 7 weeks / 49 days

May 27, 2023

Begins

Oct 11, 2023

Discovered

Nov 29, 2023

Filed

vs. sector median

2 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed2,081 affectedView incident

Name: Park Bank
norm: park bank

Name: Park Bank
norm: park bank
Industry: Financial Servicesllm

Discovered: Oct 11, 2023
Breach occurred: May 27, 2023
Undetected for: 137 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 29, 2023
Affected individuals: 2,081state + nationwide
Data types: Identity (basic)Government ID
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 2 years of complementary free identity monitoring service through Kroll
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(49 days from discovery to filing)
Compliance flags: ME AG >30d · 49d
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: Oct 11, 2023
→ Filed with AG: Nov 29, 2023
49d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Oct 11, 2023 → Filed with AG: Nov 29, 2023	49d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

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-a1252b4f8318/02d213d7-0c34-43d8-b177-844e43006bb9.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 29, 2023
Raw hash: 688df442be70656058f76c61011c0b5ce9279d0cad83479f05d12a284ff9b6f2

Reporting entityPark Bank

Victim entityPark Bank

Incidentdiscovered Oct 11, 2023

Stated responseSent written notification to affected individuals

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov