HackingProfessional ServicesProfessional ServicesCustomer Data InvolvedIdentity (basic)Government IDHealth (basic)MediumContained

Messerli & Kramer, P.A.

bd_379e6eda1a2b4a67 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Sep 21, 2023

To disclose

—

Affected

148state residents only

Linked

2 filings

Confidence

66%

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

Messerli & Kramer P.A. notified individuals of a network security incident where an unauthorized third party infiltrated its network. Exposed data included names, SSNs, driver's license/ID numbers, passport numbers, and medical information. The firm engaged forensic specialists, secured the network, reported to law enforcement, and offered 12 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline — partial

? — ?

Breach window unknown

Sep 21, 2023

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

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

New Hampshire State AGbd_78879bc02653f0442023-09-21Verified

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

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

Discovered: —
Materiality determined: —
Notification sent: Sep 6, 2023
Affected individuals: 148state-resident count only
Data types: Identity (basic)Government IDHealth (basic)
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1119 Automated Collection
Threat actor: External
Regulator citations: Reported this matter to law enforcement
Initial access: exploit_public_facing

During the incident: Engaged specialized third-party forensic and technical resources
Secured the network and the data that we maintain
Initiated our incident response plan
Conducted an investigation with the assistance of third-party forensic specialists
Reported this matter to law enforcement
Providing access to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services at no charge
Providing proactive fraud assistance
Changes made: Reviewing our tools, policies, and procedures relating to the security of our systems and servers
Source: Quoted from the filing itself, not independently verified.

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 ↗

New Hampshire State AGSep 21 · first

Montana 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://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-700.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: 0a9ba6104de0379ac8266146c548cdcf7d9c7d39c9e1b0531d17dccc45e88dc6

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityMesserli & Kramer, P.A.

Victim entityMesserli & Kramer, P.A.

IncidentUnauthorized Access

Stated responseEngaged specialized third-party forensic and technical resources

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov