HackingOtherStolen CredentialsCustomer Data InvolvedGovernment IDIdentity (basic)MediumContained

New TSI Holdings, Inc./New York Sports Club

bd_2fc1b3f24e8609eb · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 23, 2024

Filed

Sep 26, 2024

To disclose

5 weeks

Affected

151state residents only

Linked

5 filings

Confidence

66%

Full breach record for New TSI Holdings, Inc./New York Sports Club →

New TSI Holdings, Inc. (New York Sports Club) notified the NH AG of a data breach occurring on July 27, 2024, discovered on August 23, 2024. An unauthorized user accessed server files containing employee SSNs and passport numbers. 151 NH residents affected. Response included password resets, enhanced security, MFA implementation, and identity theft protection offers.

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Incident timeline

undetected · 27 days

discovery → filing · 5 weeks / 34 days

Jul 27, 2024

Begins

Aug 23, 2024

Discovered

Sep 26, 2024

Filed

vs. sector median

3 wks faster

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

California State AGbd_147073b7a8219df52024-09-26Verified
Indiana State AGbd_315179cbe30948c62024-09-26Verified
Maine State AGbd_385384a57b9bbeae2024-09-26Candidate
Massachusetts State AGbd_3afbac3287e363e02024-09-27 · +1dVerified

Name: New TSI Holdings, Inc.
norm: new tsi

Name: New TSI Holdings, Inc./New York Sports Club
norm: new tsi holdings inc new york sports club
Industry: Otherllm

Discovered: Aug 23, 2024
Breach occurred: Jul 27, 2024
Undetected for: 27 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 26, 2024
Affected individuals: 151state-resident count only
Data types: Government IDIdentity (basic)
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified New Hampshire Attorney General Consumer Protection & Antitrust Bureau
Initial access: valid_credentials

During the incident: Changed the password for all servers and email accounts
Enhanced its network security features
Implementing multi-factor authorization on its systems
Actively monitoring its computer network against any future breaches
Offering identity theft protection services through IDX
Changes made: Implementing multi-factor authorization on its systems
Enhanced network security features
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 · 5 filings · 5 states

View merged incident ↗

California State AGSep 26 · first

Indiana State AGSep 26 · first

Maine State AGSep 26 · first

New Hampshire State AGSep 26 · first · this page

Massachusetts State AG+1d

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/new-tsi-holdings-new-york-sports-club-20240926.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 26, 2024
Raw hash: 7f3d1a6df30b48f198f6227eb4f1fe8548f74f18fdd122bf1c2c55401b34de0b

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityNew TSI Holdings, Inc.

Victim entityNew TSI Holdings, Inc./New York Sports Club

Incidentdiscovered Aug 23, 2024

Stated responseChanged the password for all servers and email accounts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov