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Recent Breaches › StarBucks Company (StarBucks.com Listed by shadowbyt3$ Ransomware Group

HIGH severityUnverified claimHow we verify

StarBucks Company (StarBucks.com Listed by shadowbyt3$ Ransomware Group: Ransomware Claim — What’s Alleged & What To Do

RBRecent Breaches Breach Intelligence·May 21, 2026
StarBucks Company (StarBucks.com Listed by shadowbyt3$ Ransomware Group

Occurred April 2026 · publicly disclosed May 21, 2026.

HIGH
Severity
May 21, 2026
Disclosed
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StarBucks Company (StarBucks.com) was listed by the shadowbyt3$ ransomware group on May 21, 2026, after internal files were exfiltrated in a ransomware attack. An undisclosed number of people may have been affected; check the company’s site or contact them directly if you believe your data could be involved.

Severity & verification
HIGH severityUnverified claim
Data types not itemised.
Published on a ransomware group’s leak site — an unverified extortion claim until the named organization or credible reporting corroborates it.
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The listing of StarBucks Company (StarBucks.com) by the ransomware group shadowbyt3$ on May 21, 2026, indicates that internal files were taken during an earlier intrusion. The number of individuals whose information may be involved remains unknown, leaving those connected to the company without a clear picture of potential exposure.

Because the organization has not confirmed the scope or contents of any exfiltrated material, people who have interacted with StarBucks Company—whether as customers, employees, or partners—face uncertainty about whether their details may now be circulating among cybercriminals.

Inside the incident

The group claims the intrusion took place on April 1, 2026. According to the listing, the company closed an S3 bucket named starbucks-prod after the breach. The group states it exfiltrated internal files during a ransomware operation and demanded a payment of $500,000, which was not made. No further details on the volume of data or the method of initial access have been released by either the group or the organization.

Public information on the number of people affected or the precise files taken is not available. The listing presents the event as concluded from the group’s perspective once the ransom went unpaid.

The group behind it: shadowbyt3$

shadowbyt3$ is a ransomware operator that publicly lists organizations it claims to have compromised when negotiations fail. Its listings typically include a short statement asserting that files were taken and that the victim declined to pay. The group’s post about StarBucks Company follows this pattern, framing the disclosure as a consequence of non-payment and as a warning to other companies.

Details of the group’s prior activity are drawn from its own public statements on leak sites rather than independent confirmation of each claim. In this case, the listing itself constitutes the group’s assertion regarding StarBucks Company.

StarBucks Company (StarBucks.com and its sector

StarBucks Company operates in the food-service and retail sector, where organizations routinely maintain records related to customer transactions, loyalty programs, supplier arrangements, and employee information. Such entities commonly store data in cloud environments, including object-storage services like the S3 bucket referenced in the listing.

A claim of access to internal files at a company of this type is consequential because the material may contain operational details, contact information, or records that support day-to-day business functions. The exact nature of the files remains unconfirmed beyond the group’s description.

The information in question

The listing states that internal files were exfiltrated. No inventory of specific data categories—such as customer names, payment details, or employee records—has been provided by the group or the organization. Organizations in this sector typically hold transaction histories, account credentials, and internal communications, yet the precise contents of the claimed exfiltration are not publicly documented.

Until the company releases its own assessment, the scope of any personal or sensitive information involved cannot be verified from the available facts.

Why it matters

Exposed internal files can be used for further targeting, such as business-email compromise or supply-chain attacks, even when the immediate ransom demand is refused. Individuals associated with the company may encounter follow-on risks if their contact details or account information appear in the material.

For the organization, the incident adds to the operational burden of investigating the intrusion, notifying regulators where required, and restoring trust with customers and partners. The absence of Reported Details on affected individuals limits the ability to assess the full downstream impact at this stage.

Were you affected?

Begin by monitoring official statements from StarBucks Company for any guidance on the incident. Review your accounts for unusual activity and consider changing passwords for any services linked to the company. You can also run a free exposure scan of your email address against known breach data sets to check whether your information has appeared in previously published listings.

If you believe your details may be involved, place fraud alerts with credit agencies and remain alert for unsolicited contact that references the company.

AICompiled with AI assistance from public sources and published under our editorial standards.

Editorial & sourcing policy
Recent Breaches is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data, and we do not hold the data claimed in leak-site listings. Incidents are compiled from publicly accessible sources and threat-intelligence platforms and are reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — write to support@galaxywarden.com or press@recentbreaches.com.
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How this breach connects

Company

Attributed to

Method

CompanyStarBucks Company (StarBucks.com security record
84/100
DoxxScan™ · Low doxx risk
B- 76Above-average record

1 reported incident on record.

See StarBucks Company (StarBucks.com’s full breach history →

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Source: threat-actor leak-site listing

Publicly posted by shadowbyt3 — unverified claim, pending independent verification

Breach listings — particularly those originating from ransomware or leak sites — are third-party claims that may be unverified, incomplete, or inaccurate. A listing does not by itself confirm that a breach occurred or that any specific data was exposed. Severity is an automated assessment, not a definitive rating. Verification status is shown where available.

Attributions to threat groups and methods reflect public reporting and, in some cases, unverified claims made by the groups themselves; they may be incomplete or later revised. Recent Breaches and GalaxyWarden are independent and are not affiliated with, and do not endorse, any company or group named on this page. This information is aggregated from public sources for awareness only and is not legal, security, or investment advice.

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