HackingFinancial ServicesFinanceCustomer Data InvolvedIdentity (basic)LowContained

Sprague & Jackson

bd_561e93a40a8335c4 · schema v1 · pii pii-v1

Severity

Low

Discovered

Sep 22, 2025

Filed

May 26, 2026

To disclose

35 weeks

Affected

6state residents only

Linked

7 filings

Confidence

66%

Full breach record for Sprague & Jackson →

Sprague and Jackson, a financial services firm, reported an external system breach (hacking) on September 22, 2025. The incident affected 6 Maine residents. Notification was sent electronically on May 26, 2026, offering 12 months of credit monitoring and identity protection via TransUnion.

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Maine clockDiscovered Sep 22, 2025 → Filed with AG May 26, 2026246d ✗ ME AG >90d35 weeks discovery → filing

⚠ occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Incident timeline

discovery → filing · 35 weeks / 246 days

Sep 22, 2025

Begins

Sep 22, 2025

Discovered

May 26, 2026

Filed

vs. sector median

+27 wks slower

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

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteqilinbd_0a2e9089ab17d00b2025-10-15 · +223dVerified by operator

Regulatory filings (5) · sorted by filing gap

Indiana State AGbd_495e0dc3516989212026-05-26Verified by operator
Nebraska State AGbd_7e07aad731fd91e92026-05-26Verified by operator
Vermont State AGbd_fb13980c6ccc84fd2026-05-26Verified by operator
New Hampshire State AGbd_6753b906fd0020062026-06-01 · +6dVerified by operator

Show 1 more filing ↓up to 7d gap

Massachusetts State AGbd_0608e24a308b2a762026-06-02 · +7dVerified by operator

Name: CLARK HILL PLC
norm: clark hill
Industry: legal_services

Name: Sprague & Jackson
norm: sprague jackson
Domain: sprjac.com
Industry: financial_services
Industry: Financial Servicesllm

Discovered: Sep 22, 2025
Breach occurred: Sep 22, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 26, 2026
Affected individuals: 6state-resident count only
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Filed notification with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Offered 12-months of credit monitoring and identity protection through TransUnion
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 35 weeks(246 days from discovery to filing)
Compliance flags: ME AG >90d · 246dLeak >180dME resident >60d · 246d
Discovery-date grounding: occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Sep 22, 2025
→ Filed with AG: May 26, 2026
246d 90 days ME AG >90d
Maine
Discovered: Sep 22, 2025
→ Notified: May 26, 2026
246d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Sep 22, 2025 → Filed with AG: May 26, 2026	246d	90 days	ME AG >90d
Maine	Discovered: Sep 22, 2025 → Notified: May 26, 2026	246d	60 days (analyst band; statutory cap is 30 days)	ME resident >60d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Indiana State AGMay 26 · first

Nebraska State AGMay 26 · first

Vermont State AGMay 26 · first

Maine State AGMay 26 · first · this page

New Hampshire State AG+6d

Massachusetts State AG+7d

Pattern: first filing May 26 (IN), last Jun 2 (MA) — a 7-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-a1252b4f8318/938e75d8-fff8-4806-a1b6-2ae97a575435.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 26, 2026
Raw hash: 18b454a4897e57c70649ff31d5e8f6aca60d1034713a193ab4c1f98ee4aabed2

Linked disclosures

Ransomware claims (1)

Regulatory filings (5) · sorted by filing gap

Reporting entityCLARK HILL PLC

Victim entitySprague & Jackson

Incidentdiscovered Sep 22, 2025

Stated responseOffered 12-months of credit monitoring and identity protection through TransUnion

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov