HackingProfessional ServicesProfessional ServicesStolen CredentialsTargetedIdentity (basic)Government IDMediumContained

Nicola Yester & Company, P.C.

bd_32ae63a9ac831a58 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 29, 2019

Filed

Sep 30, 2019

To disclose

9 weeks

Affected

1state residents only

Linked

2 filings

Confidence

67%

Full breach record for Nicola Yester & Company, P.C. →

Nicola Yester & Company, P.C. notified the New Hampshire Attorney General of a data security incident on September 30, 2019. An unauthorized third party accessed employee email accounts containing names and SSNs. One NH resident was affected. The firm secured accounts, engaged forensic investigators, and is implementing MFA and training.

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Incident timeline

discovery → filing · 9 weeks / 63 days

Jul 29, 2019

Discovered

Sep 30, 2019

Filed

vs. sector median

10 wks faster

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Massachusetts State AGbd_96a2ee7050e8f3962019-09-30Verified

Name: Polsinelli PC
norm: polsinelli

Name: Nicola Yester & Company, P.C.
norm: nicola yester
Industry: Professional Servicesllm

Discovered: Jul 29, 2019
Materiality determined: —
Notification sent: Sep 30, 2019
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified Attorney General of the State of New Hampshire
Initial access: valid_credentials

During the incident: Secured the email accounts to prevent further access
Engaged a forensic security firm to investigate and confirm the security of its email and computer systems
Notifying impacted individuals and providing them with information on how they can protect themselves against fraudulent activity and identity theft
Changes made: Implementing multi-factor authentication
Conducting additional employee training
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(63 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Massachusetts State AGSep 30 · first

New Hampshire State AGSep 30 · first · this page

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/nicola-yester-20190930.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 30, 2019
Raw hash: f173d6fd6f221873615c1e2ff63e30a61e91606b6f94f36a965a49daef2d4720

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityPolsinelli PC

Victim entityNicola Yester & Company, P.C.

Incidentdiscovered Jul 29, 2019

Stated responseSecured the email accounts to prevent further access

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov