HackingHealthcareProfessional ServicesHealthcareStolen CredentialsData ExfiltratedCustomer Data InvolvedPIIIdentity (basic)LowContained

TUFTS ASSOCIATED HEALTH MAINTENANCE ORGANIZATION, INC.

bd_18e563bba9418c97 · schema v1 · pii pii-v1

Severity

Low

Discovered

Mar 13, 2023

Filed

Sep 8, 2023

To disclose

26 weeks

Affected

32state residents only

Confidence

66%

Full breach record for TUFTS ASSOCIATED HEALTH MAINTENANCE ORGANIZATION, INC. →4 incidents on file

Orrick, Herrington & Sutcliffe, LLP submitted a supplemental notice to the New Hampshire Attorney General regarding a security incident affecting Tufts Associated Health Maintenance Organization, Inc. An unauthorized third party gained remote access to Orrick's network between February 28 and March 13, 2023, exfiltrating files containing personal information of 32 New Hampshire residents. Orrick detected the breach on March 13, engaged forensic experts, notified law enforcement, and began notifying affected individuals on August 31, 2023, offering two years of identity monitoring.

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Incident timeline

undetected · 13 days

discovery → filing · 26 weeks / 179 days

Feb 28, 2023

Begins

Mar 13, 2023

Discovered

Sep 8, 2023

Filed

vs. sector median

+15 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed32 affectedView incident

Name: Orrick, Herrington & Sutcliffe LLP
norm: orrick herrington sutcliffe
Domain: orrick.com

Name: TUFTS ASSOCIATED HEALTH MAINTENANCE ORGANIZATION, INC.
norm: tufts associated health maintenance organization
Industry: HealthcarellmProfessional Servicesllm

Discovered: Mar 13, 2023
Breach occurred: Feb 28, 2023 – Mar 13, 2023
Undetected for: 13 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 31, 2023
Affected individuals: 32state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: External
Regulator citations: notified your Office about on June 30, 2023
Initial access: exploit_public_facing

During the incident: Took immediate steps to block the unauthorized access
Initiated its response process, including launching an investigation of the incident with the support of a third-party forensics firm
Notified law enforcement
Informed the client's customers about the incident
Worked with the client to identify individuals with affected data and their contact information
Established a dedicated call center to answer questions
Offering two years of complimentary identity monitoring services
Changes made: Deployed additional security measures and tools with the guidance of third-party experts to strengthen the ongoing security of its network
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 26 weeks(179 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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/orrick-herrington-sutcliffe-20230908.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 8, 2023
Raw hash: b5aac36feadafc851b2eac46a69e9b1bb4641c1e5c6a17410b0bd672d36530a0

Reporting entityOrrick, Herrington & Sutcliffe LLP

Victim entityTUFTS ASSOCIATED HEALTH MAINTENANCE ORGANIZATION, INC.

Incidentdiscovered Mar 13, 2023

Stated responseTook immediate steps to block the unauthorized access

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov