HackingProfessional ServicesProfessional ServicesStolen CredentialsCustomer Data InvolvedIdentity (basic)PIILowContained

UHY

bd_53f9833708acae95 · schema v1 · pii pii-v1

Severity

Low

Discovered

Nov 6, 2025

Filed

Apr 13, 2026

To disclose

23 weeks

Affected

5state residents only

Linked

3 filings

Confidence

66%

Full breach record for UHY →

UHY Advisors Northeast, Inc. disclosed that an unauthorized individual accessed an employee email account on November 6, 2025. The investigation, concluded on April 1, 2026, determined that the compromised account contained recipients' full names and other PII. The company engaged outside cybersecurity professionals, contained the incident, and is offering credit monitoring to affected individuals. The breach impacted residents in Massachusetts and Rhode Island.

J jump to incidentP pin to compareR raw source

Massachusetts clock✗ MA AG >90d23 weeks discovery → filing

Incident timeline

discovery → filing · 23 weeks / 158 days

Nov 6, 2025

Begins

Nov 6, 2025

Discovered

Apr 13, 2026

Filed

vs. sector median

+5 wks slower

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Nebraska State AGbd_c81abb52a3e3e2542026-04-17 · +4dVerified
New Hampshire State AGbd_f3392e9a209583f82026-04-27 · +14dCandidate

Name: UHY
norm: uhy
Domain: uhy-us.com

Name: UHY
norm: uhy
Domain: uhy-us.com
Industry: Professional Servicesllm

Discovered: Nov 6, 2025
Breach occurred: Nov 6, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 5state-resident count only
Data types: Identity (basic)PII
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External
Initial access: valid_credentials

During the incident: Launched an investigation in consultation with outside cybersecurity professionals
Analyzed the extent of any compromise of the email account and the security of the emails and attachments contained within it
Devoted considerable time and effort to determine what information was contained in the affected email account
Offering a complimentary <<CM Duration>>-month membership in Equifax Credit WatchTM Gold
Set up a dedicated and confidential toll-free response line
Changes made: Continually evaluate and modify practices and internal controls to enhance the security and privacy of personal information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 23 weeks(158 days from discovery to filing)
Compliance flags: MA AG >90d
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 · 3 filings · 3 states

View merged incident ↗

Massachusetts State AGApr 13 · first · this page

Nebraska State AG+4d

New Hampshire State AG+14d

Pattern: first filing Apr 13 (MA), last Apr 27 (NH) — a 14-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.mass.gov/doc/2026-563-uhy-advisors-northeast/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 13, 2026
Raw hash: 8702f16cd7fd9349fbbcbd315197f2335a3cd79a593e0708def65209f3a2d1cf

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityUHY

Victim entityUHY

Incidentdiscovered Nov 6, 2025

Stated responseLaunched an investigation in consultation with outside cybersecurity professionals

ComplianceMA AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov