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Recent Breaches › Standley Systems (vendor to Healthcare Sector) Listed by revil Ransomware Group

HIGH severityUnverified claimHow we verify

Standley Systems (vendor to Healthcare Sector) Listed by revil Ransomware Group: Ransomware Claim — What’s Alleged & What To Do

RBRecent Breaches Breach Intelligence·February 1, 2021
Standley Systems (vendor to Healthcare Sector) Listed by revil Ransomware Group

Reported February 1, 2021.

HIGH
Severity
February 1, 2021
Disclosed
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The Standley Systems (vendor to Healthcare Sector) Listed by revil Ransomware Group (reported February 1, 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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Ransomware groups have increasingly targeted vendors and service providers in the healthcare sector, where disruptions can affect patient care and where data sensitivity raises the stakes of any exposure. On February 1, 2021, Standley Systems, a vendor serving the healthcare sector, appeared on a leak site operated by the REvil ransomware group, which claimed to have stolen internal files during a ransomware attack. The incident remains limited in public detail. The number of people affected is unknown, and no specific count of files or confirmation of data publication has been reported. The group listed the organization on its site and asserted that internal data had been exfiltrated, but no independent verification of the claim or the contents has been made public.

Breaking down the breach

Standley Systems was listed on the REvil ransomware leak site on February 1, 2021. The group claims to have stolen internal data during a ransomware attack. No further details on the timing of the intrusion, the method of initial access, the volume of data taken, or whether any files were later published have been disclosed. The number of individuals potentially affected remains unknown.

Who is revil?

REvil, also tracked as Sodinokibi, operated as a ransomware-as-a-service group that supplied encryption tools and infrastructure to affiliate attackers in exchange for a share of ransom payments. The group became known for a double-extortion approach in which data was encrypted on victim systems and copies were threatened with public release if payment demands were not met. REvil frequently listed victim organizations on a dedicated leak site to increase pressure. The group was active from roughly 2019 until mid-2021, when its operations appeared to cease following law-enforcement actions and infrastructure takedowns.

About Standley Systems (vendor to Healthcare Sector)

Standley Systems provides technology and managed services to organizations in the healthcare sector. Vendors of this type commonly maintain network connections, administrative access, or data-processing arrangements with hospitals, clinics, and medical practices. A compromise at such a provider can therefore create downstream effects for multiple healthcare entities that rely on its systems for day-to-day operations.

The information in question

The only description provided is that internal files were allegedly exfiltrated. No inventory of specific data categories, file types, or record counts has been released. Organizations in this sector routinely hold administrative records, configuration data, and communications that may contain personal or operational information; however, the precise contents of the material claimed by the group remain unconfirmed.

What's at stake

Because the number of affected individuals is unknown, the scale of any personal impact cannot yet be assessed. For the organization and its healthcare clients, exposure of internal files could reveal operational details or credentials that might be used in further attacks. Healthcare vendors often hold data that supports clinical or administrative functions, so even limited disclosure can require extended investigation and remediation.

Were you affected?

Individuals who have interacted with Standley Systems or its healthcare clients can begin by monitoring official statements from those organizations for any notification process. Running a free exposure scan of an email address against known breach data sets can indicate whether the address has appeared in previously published records, though it will not confirm involvement in this specific incident. Organizations should review access logs and vendor contracts for any signs of unauthorized activity.

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

CompanyStandley Systems security record
88/100
DoxxScan™ · Low doxx risk
B 83Good record

1 reported incident on record.

See Standley Systems’s full breach history →

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Read GalaxyWarden’s full analysis of the Standley Systems (vendor to Healthcare Sector) 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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