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high severity May 08, 2023 · 3 min read Unverified claim — what this is

stmarys.net Listed by lockbit3 Ransomware Group

If you are a customer of stmarys.net, here’s what is being claimed, and what it would mean for you.

St Mary’s Catholic School is part of the mission of the Catholic Church, which places the educational process in this setting.Complete database and file data exfiltrated.Failure to negotiate with us will result in FULL data publication. A...

— from LockBit’s own leak-site posting. This is the group’s claim, quoted verbatim; it is not GalaxyWarden’s reporting and has not been independently verified.
stmarys.net Listed by lockbit3 Ransomware Group

On May 8, 2023, St. Mary’s Catholic School at stmarys.net appeared on the LockBit 3.0 ransomware leak site with the claim that its complete database and internal files had been exfiltrated. The group warned that failure to negotiate would result in full publication of the stolen data. The listing does not specify how many individuals are affected or list exact record counts.

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Details from the Leak-Site Listing

The primary disclosure on the LockBit 3.0 onion site states that the school’s data was taken during a ransomware attack. It describes the material as complete database and file data and threatens publication if the school does not pay. No sample files are shown in the initial post, and the exact volume or types of records—such as student names, parent contact details, health information, or financial data—remain undisclosed by the attackers. The notification does not provide a firm publication deadline, which is common in early-stage extortion listings where pressure is applied through private negotiation first.

Why This Matters for You and Your Family

When a school’s internal systems are breached, the people most exposed are usually the families who entrusted it with personal information. Even without exact numbers, the internal files almost certainly contain names, addresses, dates of birth, and contact details for students, parents, and staff. In many Catholic schools, records also include sacramental information, emergency contacts, and sometimes medical or behavioral notes. Once that material leaves the school’s control, it can be sold, repurposed for identity theft, or used to target families with phishing emails that look legitimate because they reference real details only the school would know.

The Doxxing and Identity-Chain Risk

Ransomware leaks rarely stop at one dataset. A single exposed email or phone number can be cross-referenced with gaming accounts, social-media handles, and family addresses to build a complete profile. Children’s usernames from school-linked apps or sports teams often chain back to the same household, turning a school breach into a gateway for account takeovers on Roblox, Minecraft, Discord, or other platforms popular with kids. Public reporting on similar incidents shows that attackers and data resellers routinely combine education breaches with other leaks to map family relationships, making targeted harassment, SIM-swapping, or financial fraud far easier.

LockBit 3.0’s Known Track Record

Public reporting attributes the LockBit 3.0 variant to a ransomware operation that first appeared in 2019 under the original LockBit name and rebranded through several iterations. The group has hit hospitals, schools, local governments, and manufacturers across multiple countries. Their typical playbook involves initial access through compromised remote-desktop credentials or vulnerable web applications, followed by rapid exfiltration of sensitive files before deploying encryption. They maintain a leak site to pressure victims who refuse to pay, sometimes releasing small samples and then promising full dumps if negotiations fail. While not every listed victim ultimately sees total data publication, the group’s history shows they frequently follow through on threats against organizations that stay silent.

What to do

  • Run a DoxxScan to map every link between your family’s emails, phones, school records, and online handles so you can see the full exposure chain.
  • Rotate any password used at stmarys.net or related school portals anywhere it has been reused, and switch to 2FA through an authenticator app rather than text messages.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next leak that touches your household is caught in hours, not months.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts which often chain back to the same address and parent details.
  • Let DoxxScan remediation specialists handle takedown requests for any exposed personal documents that surface on data-broker or extortion sites.

The incident is a reminder that school data breaches now form part of larger identity chains that can affect your family for years. Starting with clear visibility and hands-on help is the most practical way to limit damage. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1 billion+ breach records and more than 100 platforms, AI-powered identity-chain mapping, and hands-on remediation by specialists, with household coverage that includes children’s gaming accounts.

What the free scan actually returns

Sample resultyou@email.comIllustrative — not a real person

Found on people-search siteswe remove these

These listings are live, public, and legal to remove — and removing them is what we do.

value redacted in this sampleage, relatives, address historySpokeo
value redacted in this samplephone, household, property recordsBeenVerified
value redacted in this sample582 companies checked

Found in breach recordsverifiedreported — unverified

Each record is labeled: confirmed breach data, or an attacker’s claim no one has verified.

verifiedvalue redacted in this samplepassword + phone · 2024telecom breach
unverifiedvalue redacted in this sampleclaimed in ransomware listing · 2026leak-site claim

Leaked data cannot be deleted from the internet — anyone claiming otherwise is lying. Broker listings can be removed. We do the second, and show you exactly what to fix from the first.

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stmarys.net is one listing. Your email is probably in others.
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Report details & sourcing

Severity High the filing does not enumerate what was exposed
Disclosed May 08, 2023
Last reviewed August 8, 2026
Affected Unconfirmed
Unverified claim — what this report is
This page documents a public listing on a ransomware/extortion group’s leak site, tracked via public threat-intelligence sources. A listing is the attacker’s claim. GalaxyWarden aggregates and reports such claims; we have not independently verified that a breach occurred, what data (if any) was taken, or the accuracy of anything the group asserts, and the named organisation has not necessarily confirmed the incident. Sections above describe what the listing shows and the group’s documented history — not verified findings about the named organisation. If you represent this organisation and believe anything here is inaccurate, tell us and we’ll review it promptly.
Editorial & sourcing policy
GalaxyWarden is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data. Breach information is compiled from publicly accessible sources and threat-intelligence platforms, and is reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — see our content & takedown policy or write to support@galaxywarden.com.
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