MalwareFinancial ServicesTechnologyFinanceRansomwareData ExfiltratedData EncryptedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

US TIGER SECURITIES INC.

bd_7fa2aa1eedf7d7e4 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 10, 2025

Filed

May 15, 2026

To disclose

44 weeks

Affected

53state residents only

Linked

10 filings

Confidence

66%

Full breach record for US TIGER SECURITIES INC. →

US Tiger Securities Inc., a fintech brokerage, notified the NH Attorney General of a July 2025 ransomware incident affecting its virtual back-office environment. Files were encrypted and copied by an unauthorized third party between July 8-9, 2025. The incident impacted 53 New Hampshire residents, exposing names, SSNs, and expired driver's license numbers. US Tiger engaged forensic experts, notified law enforcement, and began mailing notifications on May 15, 2026, offering 24 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 2 days

discovery → filing · 44 weeks / 309 days

Jul 8, 2025

Begins

Jul 10, 2025

Discovered

May 15, 2026

Filed

vs. sector median

+36 wks slower

This filing is one of 10 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (9) · sorted by filing gap

Vermont State AGbd_08d3e651a1fbee442026-05-15Verified
Texas State AGbd_11827b814e70462f2026-05-15Verified
Washington State AGbd_678b9bdd9ac8e7f02026-05-15Verified
Massachusetts State AGbd_74b756aa1437bfe22026-05-15Candidate

Show 5 more filings ↓up to 14d gap

Indiana State AGbd_9083d9bde07929f22026-05-15Verified
Maine State AGbd_a75c3a2bd552ad812026-05-15Verified
Nebraska State AGbd_c9a9cbe6cc21dd882026-05-15Verified
California State AGbd_f29aee610e2ff2c92026-05-15Verified
Illinois State AGbd_3875ceca556ae0292026-05-01 · +14dVerified

Name: Norton Rose Fulbright US LLP
norm: norton rose fulbright us

Name: US TIGER SECURITIES INC.
norm: us tiger securities
Industry: Financial ServicesllmTechnologyllm

Discovered: Jul 10, 2025
Breach occurred: Jul 8, 2025 – Jul 9, 2025
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 15, 2026
Affected individuals: 53state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial

During the incident: Launched an investigation
Engaged leading third-party cybersecurity experts
Notified law enforcement
Conducted a robust review of the data
Began mailing notification letters to 53 New Hampshire residents
Offering 24 months of complimentary credit monitoring and fraud protection services
Providing a toll-free telephone number for individuals to call
Changes made: Took numerous measures to enhance its security
Continues to evaluate technical and organizational measures to enhance the security of its systems and data
Implemented and will continue to adopt additional safeguards and technical security measures to further protect and monitor our network, systems, and data
Arranged for you to receive a complimentary 24-month subscription to Experian IdentityWorks
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 44 weeks(309 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 10 filings · 10 states

View merged incident ↗

Illinois State AGMay 1 · first

Vermont State AG+14d

Texas State AG+14d

Washington State AG+14d

Massachusetts State AG+14d

Indiana State AG+14d

Maine State AG+14d

Nebraska State AG+14d

California State AG+14d

New Hampshire State AG+14d · this page

Pattern: first filing May 1 (IL), last May 15 (NH) — a 14-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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/us-tiger-securities-20260515.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 15, 2026
Raw hash: a8ece90e7117940984a4979c700c5634ddec6b9817ea2cb99cadbc8a0377005c

Linked disclosures

Regulatory filings (9) · sorted by filing gap

Reporting entityNorton Rose Fulbright US LLP

Victim entityUS TIGER SECURITIES INC.

Incidentdiscovered Jul 10, 2025

Stated responseLaunched an investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov