HackingHealthcareTechnologyHealthcareVulnerability ExploitZero-DaySupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedPIIIdentity (basic)Government IDMediumContained

Tavistock

bd_5835db8962fcdd09 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 1, 2023

Filed

Jul 17, 2023

To disclose

7 weeks

Affected

2state residents only

Confidence

66%

Full breach record for Tavistock →2 incidents on file

Tavistock Health Management Company, LLC reported a security incident involving its vendor, Vitality Group, LLC. Vitality's MOVEit file transfer software was exploited via a zero-day vulnerability on May 30, 2023. Vitality detected the vulnerability on June 1, 2023, and disconnected the server. The breach may have exposed personal information, including SSNs, of 2 New Hampshire residents. Notifications were sent on July 17, 2023, offering credit monitoring.

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Incident timeline

undetected · 2 days

discovery → filing · 7 weeks / 46 days

May 30, 2023

Begins

Jun 1, 2023

Discovered

Jul 17, 2023

Filed

vs. sector median

2 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed2 affectedView incident

Name: TAFT STETTINIUS & HOLLISTER LLP
norm: taft stettinius hollister

Name: Tavistock
norm: tavistock
Domain: tavistock.com
Industry: HealthcarellmTechnologyllm

Discovered: Jun 1, 2023
Breach occurred: May 30, 2023
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 17, 2023
Affected individuals: 2state-resident count only
Data types: PIIIdentity (basic)Government ID
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Third party: via Vitality Group, LLC
Initial access: exploit_public_facing

During the incident: Disconnected the MOVEit software server
Conducted forensic analysis
Applied all available patches provided by MOVEit
Implemented a password reset on every account that accesses the server
Established a dedicated call center service to assist affected residents
Offered complimentary credit monitoring and identity theft prevention services through Experian
Changes made: Enhanced administrative and technical safeguards
Implemented additional security measures to further fortify its network’s security measures and protocols
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(46 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/tavistock-health-management-company-20230717.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 17, 2023
Raw hash: 1d4bf95acb1175e25093104ccad0cbdfe7308a7b0ec911b38cbba64c2302bd0f

Reporting entityTAFT STETTINIUS & HOLLISTER LLP

Victim entityTavistock

Incidentdiscovered Jun 1, 2023

Stated responseDisconnected the MOVEit software server

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov