MalwareFinancial ServicesFinanceRansomwareData ExfiltratedData EncryptedCustomer Data InvolvedIdentity (basic)LowContained

US TIGER SECURITIES INC.

bd_c9a9cbe6cc21dd88 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jul 10, 2025

Filed

May 15, 2026

To disclose

—

Affected

Not disclosed

Linked

10 filings

Confidence

65%

Full breach record for US TIGER SECURITIES INC. →

US Tiger Securities Inc notified Nebraska residents of a ransomware incident discovered July 10, 2025. Files in a virtual back-office environment were encrypted and copied between July 8-9, 2025. No intrusion occurred in the TradeUP production environment. Personal information (names) was involved. Notifications were sent May 15, 2026, offering 24 months of Experian IdentityWorks.

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Incident timeline

undetected · 2 days

Jul 8, 2025

Begins

Jul 10, 2025

Discovered

May 15, 2026

Filed

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

New Hampshire State AGbd_7fa2aa1eedf7d7e42026-05-15Verified
Indiana State AGbd_9083d9bde07929f22026-05-15Verified
Maine State AGbd_a75c3a2bd552ad812026-05-15Verified
California State AGbd_f29aee610e2ff2c92026-05-15Verified
Illinois State AGbd_3875ceca556ae0292026-05-01 · +14dVerified

Name: US TIGER SECURITIES INC.
norm: us tiger securities

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

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: Not disclosed
Data types: Identity (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial

During the incident: Engaged legal counsel to provide legal advice for an investigation into the incident
Engaged a cybersecurity firm to conduct a forensic investigation
Conducted a robust review of the data to identify individuals whose information may have been involved
Worked to obtain addresses and notify individuals
Changes made: 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.

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

New Hampshire State AG+14d

Indiana State AG+14d

Maine State AG+14d

California State AG+14d

Nebraska State AG+14d · this page

Pattern: first filing May 1 (IL), last May 15 (NE) — 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://nebraska.gov/ago/data-breach/documents/8c78172e-e2dc-4663-a5ba-e2f94bf1fe53.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: 4121a76ac9962a13e8b40f79ff8f5ca0b6532c98d18f6fed88a77af800a1151e

Linked disclosures

Regulatory filings (9) · sorted by filing gap

Reporting entityUS TIGER SECURITIES INC.

Victim entityUS TIGER SECURITIES INC.

Incidentdiscovered Jul 10, 2025

Stated responseEngaged legal counsel to provide legal advice for an investigation into the incident

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov