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Recent Breaches › Apple MacBook via supplier Quanta Computer Listed by revil Ransomware Group

HIGH severityUnverified claimHow we verify

Apple MacBook via supplier Quanta Computer Listed by revil Ransomware Group: Ransomware Claim — What’s Alleged & What To Do

RBRecent Breaches Breach Intelligence·April 20, 2021
Apple MacBook via supplier Quanta Computer Listed by revil Ransomware Group

Reported April 20, 2021.

HIGH
Severity
April 20, 2021
Disclosed
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The Apple MacBook via supplier Quanta Computer Listed by revil Ransomware Group (reported April 20, 2021) is an unverified claim; the data involved is undisclosed belonging to roughly unknown people. If you have an account with them, your information may now be circulating on the open web and with data brokers. Here’s exactly what happened, how to check if you were affected, and what to do next.

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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On April 20, 2021, the ransomware group revil listed Apple MacBook via supplier Quanta Computer on its data-leak site. The listing states that internal files were taken during a ransomware incident, though the number of people affected and the precise contents of those files remain undisclosed.

What happened

The incident came to public notice when revil added the supplier to its leak-site listings on April 20, 2021. The group claims to have exfiltrated internal files in a ransomware attack. No further details on the timing of the intrusion, the volume of data taken, or the method of access have been released by the organization or confirmed by investigators.

Inside revil

revil is a ransomware operation that has conducted multiple high-profile campaigns since at least 2019. The group typically uses encryption to disrupt operations and then threatens to publish stolen data on a dedicated leak site if payment is not received. Its listings are presented as claims by the actors themselves and do not constitute independent verification of the data’s authenticity or scope.

About Apple MacBook via supplier Quanta Computer

Quanta Computer is a contract manufacturer that produces hardware for major technology brands, including Apple MacBook lines. Organizations of this type routinely store design specifications, component sourcing records, production schedules, and internal communications. A compromise at a key supplier can therefore expose information that extends beyond the supplier itself into the broader product ecosystem.

The information in question

The only description provided is that internal files were allegedly exfiltrated. The exact categories of data—such as employee records, engineering documents, or business correspondence—have not been disclosed. In the absence of a confirmed inventory, any assessment of specific record types remains unverified.

The real-world impact

Individuals connected to the supplier, whether as employees or business partners, face the possibility that personal or professional details could appear in future disclosures. For the organizations involved, the incident adds to the operational and reputational costs already associated with ransomware events. Because the scale and sensitivity of the files are unknown, the extent of downstream consequences cannot be quantified from public information.

Were you affected?

Begin by monitoring official statements from Apple and Quanta Computer for any notifications or guidance. Review account statements and correspondence for unusual activity. A free exposure scan of your email address against known breach repositories can indicate whether your information has appeared in previously published data sets.

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

CompanyQuanta Computer security record
88/100
DoxxScan™ · Low doxx risk
B 83Good record

1 reported incident on record.

See Quanta Computer’s full breach history →

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Read GalaxyWarden’s full analysis of the Apple MacBook via supplier Quanta Computer Listed by revil Ransomware Group →

Source: threat-actor leak-site listing

Publicly posted by revil — 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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