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Recent Breaches › dentoncalvary.org Listed by lockbit5 Ransomware Group

HIGH severityUnverified claimHow we verify

dentoncalvary.org Listed by lockbit5 Ransomware Group: Ransomware Claim — What’s Alleged & What To Do

RBRecent Breaches Breach Intelligence·May 12, 2026
dentoncalvary.org Listed by lockbit5 Ransomware Group

Occurred May 2026 · publicly disclosed May 12, 2026.

HIGH
Severity
May 12, 2026
Disclosed
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dentoncalvary.org has been listed by the LockBit5 ransomware group, with internal files reported as exfiltrated; the listing came to light on May 12, 2026, while the actual date of the breach remains unestablished. Individuals should check whether their information was affected and take appropriate protective steps.

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 operations remain a persistent feature of the threat landscape, with groups frequently targeting organizations that hold sensitive operational and personal records. On May 12, 2026, dentoncalvary.org appeared on a listing associated with the lockbit5 ransomware group, which stated that internal files had been exfiltrated during an attack on the site.

What happened

The incident was reported on May 12, 2026, when dentoncalvary.org was listed by the lockbit5 group. The available information states that internal files were exfiltrated in a ransomware attack. No further details on the timing of the intrusion, the volume of data involved, or the method of initial access have been disclosed publicly.

The group behind it: lockbit5

LockBit is a ransomware operation that has conducted numerous campaigns since its emergence, relying on encryption paired with data exfiltration to pressure victims. The group has historically used affiliate models to distribute its tools and has maintained a public leak site to list organizations it claims to have compromised. In this case, the group claims to have obtained files from dentoncalvary.org, though independent confirmation of the listing or the contents has not been established in the reported facts.

About dentoncalvary.org

Denton Calvary Academy operates as a K-12 University-Model school, combining elements of homeschooling with classroom instruction. Organizations of this type routinely collect and store records related to students, families, staff, and school operations. A breach affecting such an institution raises questions about the handling of educational and personal information that is typically retained for administrative and compliance purposes.

What data was at risk

The reported facts identify only that internal files were allegedly exfiltrated. The precise categories of information contained in those files remain undisclosed. Educational institutions commonly maintain student enrollment data, contact details, academic records, and limited financial or health information; however, whether any of these specific types were present in the exfiltrated material is unconfirmed.

What's at stake

Individuals connected to the school may face risks associated with the exposure of personal identifiers or contact information, such as increased potential for targeted phishing or account misuse. For the organization, the incident could involve operational disruption, costs related to investigation and recovery, and the need to review data-handling practices. The long-term consequences depend on the nature of the files involved, which has not been specified.

Were you affected?

Individuals who have interacted with dentoncalvary.org can begin by monitoring their email accounts and financial statements for unusual activity. Changing passwords for any associated services and enabling multi-factor authentication where available are standard initial measures. Readers may also run a free exposure scan of their email address against known breach data to determine whether their information has appeared in previously published datasets.

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

Companydentoncalvary.org security record
84/100
DoxxScan™ · Low doxx risk
B- 76Above-average record

1 reported incident on record.

See dentoncalvary.org’s full breach history →

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Read GalaxyWarden’s full analysis of the dentoncalvary.org Listed by lockbit5 Ransomware Group →

Source: threat-actor leak-site listing

Publicly posted by lockbit5 — 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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