HackingRetail & ConsumerRetailStolen CredentialsCustomer Data InvolvedPIIIdentity (basic)Financial accountLowContained

TIFFANY AND COMPANY

bd_09bad66e2b8c1ca4 · schema v1 · pii pii-v1

Severity

Low

Discovered

May 12, 2025

Filed

Sep 16, 2025

To disclose

18 weeks

Affected

3state residents only

Linked

7 filings

Confidence

66%

Full breach record for TIFFANY AND COMPANY →3 incidents on file

Tiffany and Company notified Montana residents of a cybersecurity incident occurring on May 12, 2025, involving unauthorized access to systems. The breach compromised gift card numbers, PINs, and client PII (name, address, email, phone). The company engaged external cybersecurity experts and law enforcement. No evidence of harm was found at the time of notification.

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Incident timeline

discovery → filing · 18 weeks / 127 days

May 12, 2025

Begins

May 12, 2025

Discovered

Sep 16, 2025

Filed

vs. sector median

+11 wks slower

This filing is one of 7 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Indiana State AGbd_d1a29158faec76b32025-09-16Verified
Vermont State AGbd_e19e0f25f58441822025-09-16Verified
Nebraska State AGbd_ef25a0a9294a271f2025-09-16Verified
Massachusetts State AGbd_58634fcfca97ce8a2025-09-17 · +1dVerified

Show 2 more filings ↓up to 3d gap

Maine State AGbd_cb857f15207092f72025-09-17 · +1dVerified
New Hampshire State AGbd_a6db0f367e8e0b382025-09-19 · +3dVerified

Name: TIFFANY AND COMPANY
norm: tiffany and
Domain: tiffany.com

Name: TIFFANY AND COMPANY
norm: tiffany and
Domain: tiffany.com
Industry: Retail & Consumerllm

Discovered: May 12, 2025
Breach occurred: May 12, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 3state-resident count only
Data types: PIIIdentity (basic)Financial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: ExternalFinancial
Initial access: valid_credentials

During the incident: Launched an investigation with the assistance of leading external cybersecurity experts
Took steps to further enhance the protection of our systems and data
Coordinated with law enforcement authorities
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 18 weeks(127 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 7 states

View merged incident ↗

Indiana State AGSep 16 · first

Vermont State AGSep 16 · first

Nebraska State AGSep 16 · first

Montana State AGSep 16 · first · this page

Massachusetts State AG+1d

Maine State AG+1d

New Hampshire State AG+3d

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://dojmt.gov/wp-content/uploads/2025/09/Consumer-notification-letter-45.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 16, 2025
Raw hash: a1111b68ed35792ee39c0b0b61b4ee56ae1b689851aa50bdb14a11da9ad34e6d

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityTIFFANY AND COMPANY

Victim entityTIFFANY AND COMPANY

Incidentdiscovered May 12, 2025

Stated responseLaunched an investigation with the assistance of leading external cybersecurity experts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov