HackingProfessional ServicesProfessional ServicesStolen CredentialsTargetedDelayed DiscoveryIdentity (basic)Government IDFinancialMediumContained

Hayden, Narey & Persich

bd_4be6db2f49a16a5e · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 4, 2017

Filed

Dec 4, 2017

To disclose

22 weeks

Affected

2state residents only

Linked

3 filings

Confidence

66%

Full breach record for Hayden, Narey & Persich →

Hayden, Narey & Persich (HNP), a CPA firm, notified the NH Attorney General of a data incident affecting 2 NH residents. A malicious actor accessed HNP's system via Remote Desktop on July 3-4, 2017. Data potentially exposed included names, addresses, SSNs, and financial gains/losses. HNP engaged forensic investigators, notified law enforcement (FBI, IRS), and provided one year of credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 1 days

discovery → filing · 22 weeks / 153 days

Jul 3, 2017

Begins

Jul 4, 2017

Discovered

Dec 4, 2017

Filed

vs. sector median

+4 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

Massachusetts State AGbd_54d7fbe0aabc8b242017-12-04Verified
California State AGbd_82434369901501502017-12-05 · +1dCandidate

Name: Troutman Pepper Hamilton Sanders LLP
norm: troutman pepper hamilton sanders
Domain: troutman.com

Name: Hayden, Narey & Persich
norm: hayden narey persich
Domain: hnpcpa.com
Industry: Professional Servicesllm

Discovered: Jul 4, 2017
Breach occurred: Jul 3, 2017 – Jul 4, 2017
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Dec 6, 2017
Affected individuals: 2state-resident count only
Data types: Identity (basic)Government IDFinancial
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified the Federal Bureau of InvestigationNotified the Orange County Sheriff's DepartmentNotified applicable state agencies
Initial access: external_remote_services

During the incident: HNP immediately began an investigation into the matter
Changed all account information
Notified the IRS and law local enforcement
Retained a specialized forensic IT firm to investigate
Notified the Federal Bureau of Investigation
Notified the three credit bureaus
Reviewing office policies and procedures to ensure security measures are taken to further minimize such an incident from occurring again
Secured credit monitoring for residents for one year
Continue to work with law enforcement in any investigation of the criminals
Changes made: Reviewing office policies and procedures to ensure security measures are taken to further minimize such an incident from occurring again
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 22 weeks(153 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Massachusetts State AGDec 4 · first

New Hampshire State AGDec 4 · first · this page

California State AG+1d

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://mm.nh.gov/files/uploads/doj/remote-docs/hayden-20171204.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 4, 2017
Raw hash: cada91550fc66fcb6439755942b2ed8fd1bb64ef8cf8dfe0aeff4526a8cfdd18

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityTroutman Pepper Hamilton Sanders LLP

Victim entityHayden, Narey & Persich

Incidentdiscovered Jul 4, 2017

Stated responseHNP immediately began an investigation into the matter

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov