HackingRetail & ConsumerRetailStolen CredentialsCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

STARBUCKS CORPORATION

bd_68dac9b7c41aee00 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 6, 2026

Filed

Mar 12, 2026

To disclose

5 weeks

Affected

Not disclosed

Linked

8 filings

Confidence

65%

Full breach record for STARBUCKS CORPORATION →3 incidents on file

Starbucks Corporation notified Massachusetts residents that an unauthorized third party accessed certain Partner Central accounts after obtaining login credentials via impersonation websites. Affected data may include name, SSN, date of birth, and financial account/routing numbers. Starbucks engaged experts, notified law enforcement, and is offering 24 months of Experian IdentityWorks.

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Massachusetts clock⏱ MA AG >30d5 weeks discovery → filing

Incident timeline

discovery → filing · 5 weeks / 34 days

Feb 6, 2026

Discovered

Mar 12, 2026

Filed

vs. sector median

3 wks faster

This filing is one of 8 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (2)

Leak Siteshadowbyt3$bd_53c8511676f5a48b2026-05-21 · +70dVerified by operator
Leak Siteshadowbyt3$bd_0a515d2c5e298df82026-04-01 · +20dVerified by operator

Regulatory filings (5) · sorted by filing gap

Maine State AGbd_2ac8ff72f4ea44b32026-03-12Verified by operator
New Hampshire State AGbd_df9cc185be31dd2e2026-03-12Verified by operator
Indiana State AGbd_3f81392b7bd9141f2026-03-10 · +2dVerified by operator
Indiana State AGbd_4c209cf2fae846f12026-03-10 · +2dVerified by operator

Show 1 more filing ↓up to 2d gap

Nebraska State AGbd_8e3a91e71a4a7f982026-03-10 · +2dVerified by operator

Name: STARBUCKS CORPORATION
norm: starbucks
Domain: starbucks.com

Name: STARBUCKS CORPORATION
norm: starbucks
Domain: starbucks.com
Industry: Retail & Consumerllm

Discovered: Feb 6, 2026
Materiality determined: —
Notification sent: Mar 10, 2026
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security numberDate of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1566 Phishing
Threat actor: External
Initial access: phishing_link

During the incident: Commenced an investigation and began taking measures to assess and contain the incident
Retained leading experts
Notified certain law enforcement authorities
Took measures to further strengthen security controls related to access to Starbucks Partner Central accounts
Changes made: Offering complimentary access to Experian IdentityWorks for twenty-four (24) months
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(34 days from discovery to filing)
Compliance flags: MA AG >30d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 5 states

View merged incident ↗

Indiana State AGMar 10 · first

Nebraska State AGMar 10 · first

Maine State AG+2d

New Hampshire State AG+2d

Massachusetts State AG+2d · this page

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://www.mass.gov/doc/2026-377-starbucks-corporation/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 12, 2026
Raw hash: 49b47969ef28ead37b0b0ac497fdf963c63d323286a1540d2f7dba0f3c36923e

Linked disclosures

Ransomware claims (2)

Regulatory filings (5) · sorted by filing gap

Reporting entitySTARBUCKS CORPORATION

Victim entitySTARBUCKS CORPORATION

Incidentdiscovered Feb 6, 2026

Stated responseCommenced an investigation and began taking measures to assess and contain the incident

ComplianceMA AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov