HackingFinancial ServicesFinanceCustomer Data InvolvedIdentity (basic)Government IDCriticalResolved

Union Bank and Trust Company

bd_8ab6f751d660d5de · schema v1 · pii pii-v1

Severity

Critical

Discovered

Jun 9, 2023

Filed

Jun 30, 2023

To disclose

21 days

Affected · nationwide

204,29139 in this filing

Linked

7 filings

Confidence

50%

Full breach record for Union Bank and Trust Company →2 incidents on file

Union Bank and Trust Company reported an external system breach that occurred on May 29, 2023. The breach was discovered on June 9, 2023, and affected 39 Maine residents. The compromised information included names and Social Security Numbers. The company provided written notification to affected individuals on June 30, 2023, and offered 12 months of credit monitoring and identity restoration services through Kroll.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Jun 9, 2023 → Filed with AG Jun 30, 202321d ✓ ME AG ≤30d21 days 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 · 11 days

discovery → filing · 21 days

May 29, 2023

Begins

Jun 9, 2023

Discovered

Jun 30, 2023

Filed

vs. sector median

5 wks faster

This filing is one of 7 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 (6) · sorted by filing gap

Massachusetts State AGbd_18683e5decffeb672023-06-30Verified
Montana State AGbd_4f3dcdbe7d2893db2023-06-30Candidate
California State AGbd_905a3e576ec7a71f2023-06-30Verified
Indiana State AGbd_a656b0ef9537aefa2023-06-30Verified

Show 2 more filings ↓up to 5d gap

Vermont State AGbd_6001904e35e212052023-06-29 · +1dVerified
New Hampshire State AGbd_4f0513010f0b47332023-07-05 · +5dVerified

Name: Union Bank and Trust Company
norm: union bank and
Industry: Financial Services

Name: Union Bank and Trust Company
norm: union bank and
Industry: Financial Services
Industry: Financial Servicesllm

Discovered: Jun 9, 2023
Breach occurred: May 29, 2023
Undetected for: 11 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 30, 2023
Affected individuals: 204,291state + nationwide
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access

Changes made: Offered 12 months of credit monitoring and identity restoration services through Kroll.
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 21 days(21 days from discovery to filing)
Compliance flags: ME AG ≤30d · 21d
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: Jun 9, 2023
→ Filed with AG: Jun 30, 2023
21d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jun 9, 2023 → Filed with AG: Jun 30, 2023	21d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 7 states

View merged incident ↗

Vermont State AGJun 29 · first

Massachusetts State AG+1d

Montana State AG+1d

California State AG+1d

Indiana State AG+1d

Maine State AG+1d · this page

New Hampshire State AG+6d

Pattern: first filing Jun 29 (VT), last Jul 5 (NH) — a 6-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-a1252b4f8318/893229cd-b658-42aa-bb38-f976a32aae2f.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 30, 2023
Raw hash: 096c061a505c93ceadf5ffc9d9b2d443f36ee18d6ae9113d9cb0d8fc828b4aef

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityUnion Bank and Trust Company

Victim entityUnion Bank and Trust Company

Incidentdiscovered Jun 9, 2023

Stated responseOffered 12 months of credit monitoring and identity restoration services through Kroll.

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov