HackingProfessional ServicesProfessional ServicesStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDHealth (basic)MediumContained

Katz, Sapper & Miller (KSM)

bd_a7364f7459edc8fe · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 5, 2019

Filed

Feb 8, 2019

To disclose

5 weeks

Affected

21state residents only

Linked

3 filings

Confidence

66%

Full breach record for Katz, Sapper & Miller (KSM) →

Katz, Sapper & Miller (KSM) notified the NH AG of a security incident involving its third-party file sharing service, Citrix ShareFile, discovered on Jan 5, 2019. An unauthorized third party potentially accessed personal info including names, addresses, SSNs, and potentially health insurance data. 21 NH residents were affected. KSM remediated the system, enhanced protocols, and mandated password resets. Affected individuals were offered 12 months of credit monitoring.

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Incident timeline

discovery → filing · 5 weeks / 34 days

Jan 5, 2019

Discovered

Feb 8, 2019

Filed

vs. sector median

14 wks faster

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

Montana State AGbd_6036b95abbf546462019-02-08Candidate
Massachusetts State AGbd_c226bc8ed4497b4e2019-02-08Verified

Name: Wilson, Elser, Moskowitz, Edelman & Dicker LLP
norm: wilson elser moskowitz edelman dicker
Domain: wilsonelser.com

Name: Katz, Sapper & Miller (KSM)
norm: katz sapper miller ksm
Industry: Professional Servicesllm

Discovered: Jan 5, 2019
Materiality determined: —
Notification sent: Feb 8, 2019
Affected individuals: 21state-resident count only
Data types: Identity (basic)Government IDHealth (basic)
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain Compromise
Threat actor: External
Regulator citations: Notified New Hampshire Attorney General
Third party: via Citrix ShareFile
Initial access: trusted_relationship

During the incident: Conducted an internal investigation
Took immediate action to remediate the third-party system
Enhanced security protocols
Ensured all clients reset their passwords as required by Citrix Sharefile
Changes made: Enhanced security protocols
Ensured all clients reset their passwords as required by Citrix Sharefile
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(34 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 ↗

Montana State AGFeb 8 · first

Massachusetts State AGFeb 8 · first

New Hampshire State AGFeb 8 · 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/kats-sapper-miller-20190208.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 8, 2019
Raw hash: 83c179fa8d9fcffba6ca2b332dc802ff701854e9202a12d5a22fa883ff4afc0d

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityWilson, Elser, Moskowitz, Edelman & Dicker LLP

Victim entityKatz, Sapper & Miller (KSM)

Incidentdiscovered Jan 5, 2019

Stated responseConducted an internal investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov