HackingProfessional ServicesProfessional ServicesCustomer Data InvolvedGovernment IDIdentity (basic)MediumContained

Messerli & Kramer, P.A.

bd_78879bc02653f044 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 15, 2023

Filed

Sep 21, 2023

To disclose

27 weeks

Affected

3state residents only

Linked

2 filings

Confidence

67%

Full breach record for Messerli & Kramer, P.A. →2 incidents on file

Messerli & Kramer, P.A. notified the New Hampshire Attorney General of a March 15, 2023 network security incident. An unauthorized third party infiltrated the network, potentially exposing names, SSNs, passport, and driver's license numbers of 3 New Hampshire residents. Notifications were mailed on September 6, 2023, offering credit monitoring. The network has been secured.

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Incident timeline

discovery → filing · 27 weeks / 190 days

Mar 15, 2023

Discovered

Sep 21, 2023

Filed

vs. sector median

+8 wks slower

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

Montana State AGbd_379e6eda1a2b4a672023-09-21Candidate

Name: Messerli & Kramer, P.A.
norm: messerli kramer

Name: Messerli & Kramer, P.A.
norm: messerli kramer
Industry: Professional Servicesllm

Discovered: Mar 15, 2023
Materiality determined: —
Notification sent: Sep 6, 2023
Affected individuals: 3state-resident count only
Data types: Government IDIdentity (basic)
Data elements: Date of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Notified New Hampshire Attorney General Consumer Protection Bureau
Initial access: exploit_public_facing

During the incident: Engaged a specialized third-party forensic incident response firm
Shut off all access to the network
Secured and remediated the network
Engaged a third-party vendor to mine the data for personal information
Sent notification letters to potentially affected individuals
Reported the incident to law enforcement
Changes made: Reviewed and altered policies and procedures relating to the security of its systems and servers
Offered free credit monitoring and identity theft protection through Cyberscout
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 27 weeks(190 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 ↗

Montana State AGSep 21 · first

New Hampshire State AGSep 21 · 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/messerli-kramer-20230921.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 21, 2023
Raw hash: d89553e5bae69688a20f7329092d60b3ce76604cf7c9111766baad5c0d7ea3dd

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityMesserli & Kramer, P.A.

Victim entityMesserli & Kramer, P.A.

Incidentdiscovered Mar 15, 2023

Stated responseEngaged a specialized third-party forensic incident response firm

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov