HackingFinancial ServicesFinanceCustomer Data InvolvedFinancial accountIdentity (basic)LowContained

Acumen

bd_57570d5704407cb4 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jun 25, 2026

Filed

Aug 6, 2026

To disclose

6 weeks

Affected

343state residents only

Linked

4 filings

Confidence

64%

Full breach record for Acumen →5 incidents on file

Acumen Fiscal Agent reported unauthorized access to its payroll environment on June 25, 2026. The incident potentially exposed names, financial account numbers, and routing numbers of employees, vendors, and employers. No Social Security numbers were involved. The company engaged a third-party forensics firm, contained the access, and is offering credit monitoring services.

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Massachusetts clock⏱ MA AG >30d6 weeks discovery → filing

Incident timeline

discovery → filing · 6 weeks / 42 days

Jun 25, 2026

Begins

Jun 25, 2026

Discovered

Aug 6, 2026

Filed

vs. sector median

2 wks faster

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Nebraska State AGbd_c4924f6930c655cb2026-08-06Verified
Texas State AGbd_03d818ac775024462026-08-07 · +1dCandidate
New Hampshire State AGbd_e1b3549300f10e8d2026-08-10 · +4dVerified

Name: Acumen
norm: acumen
Domain: acumenfiscalagent.com

Name: Acumen
norm: acumen
Domain: acumenfiscalagent.com
Industry: Financial Servicesllm

Discovered: Jun 25, 2026
Breach occurred: Jun 25, 2026
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 6, 2026
Affected individuals: 343state-resident count only
Data types: Financial accountIdentity (basic)
Attack vector: Unknown
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External

During the incident: Investigated immediately with a third-party cyber security forensics firm
Implemented measures to contain the unauthorized access
Enhanced security to minimize the risk of a similar incident occurring in the future
Providing complimentary credit monitoring and identity protection services
Changes made: Continue to assess network security posture
Implement additional measures to reduce the likelihood of a similar incident occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(42 days from discovery to filing)
Compliance flags: MA AG >30d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Nebraska State AGAug 6 · first

Massachusetts State AGAug 6 · first · this page

Texas State AG+1d

New Hampshire State AG+4d

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.mass.gov/doc/2026-1301-acumen-fiscal-agent/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 6, 2026
Raw hash: 60f6bff7c4dab8bfc563b7fbd241f57e4030faeb9b54e1d9c1b6fa6a638e5ebd

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityAcumen

Victim entityAcumen

Incidentdiscovered Jun 25, 2026

Stated responseInvestigated immediately with a third-party cyber security forensics firm

ComplianceMA AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov