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high severity May 28, 2025 · 3 min read Unverified claim — what this is

SunMoon university Listed by nova Ransomware Group

If you are a student of SunMoon university, here’s what is being claimed, and what it would mean for you.

​​​​​ The website sunmoon.ac.kr is the official online portal of Sun Moon University (SMU), a private, non-profit institution located in Asan...

— from Nova’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.
SunMoon university Listed by nova Ransomware Group

On May 28, 2025, Sun Moon University appeared on the leak site of the nova Ransomware Group. The South Korean private institution’s internal files were allegedly exfiltrated during a ransomware attack, and the data is now publicly listed on an onion address hosted by the group.

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What's Publicly Reported from Reporting

Public reporting indicates that the attackers gained access to Sun Moon University’s systems and removed a volume of internal documents before encrypting remaining data. The university’s official website, sunmoon.ac.kr, serves as the public face of the non-profit school located in Asan. No exact victim count inside the university has been released, and the precise number of staff, faculty, students, or alumni whose records were taken remains unknown. The data types listed in the initial posting include internal files; full contents have not been independently verified by third parties at the time of writing.

May 28, 2025 marks the date the university was formally listed on the nova leak portal. The group typically posts samples or full datasets when victims do not meet ransom demands. Available reporting describes the incident as a standard ransomware deployment involving both encryption and data exfiltration.

Why This Matters for You and Your Family

Universities hold records on thousands of ordinary people: current students, former students, parents, faculty, and administrative staff. If your name, address, phone number, email, date of birth, or financial details were part of Sun Moon University’s internal systems, those records may now sit in a ransomware actor’s archive. Once published, the information rarely disappears. Copies spread quickly across forums and resellers.

Credential leaks from universities frequently cascade into personal account takeovers. A password reused from a school portal can open the door to your email, banking, or social-media accounts. Children’s or teenagers’ school-related logins are especially vulnerable because families often share similar passwords across home and academic services.

The Doxxing and Identity-Chain Implications

When internal university files reach ransomware leak sites, attackers and opportunistic criminals can link disparate pieces of information. An email address from a faculty roster can be matched with a child’s gaming username listed in a club directory. A parent’s phone number can be tied to a student ID. These connections create an identity chain that turns a single breach into long-term harassment or targeted fraud.

Public reporting indicates that ransomware groups increasingly sell or publish enough contextual data to enable doxxing. Even if your specific record is not immediately visible, the exposure of colleagues, classmates, or family members can pull you into the same chain. Gaming accounts belonging to children are frequent secondary targets once an address or parent email surfaces.

What to Do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real-world identity, then complete the cleanup of exposed data.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next leak that touches you or your family is flagged within hours rather than months.
  • Rotate any password you ever used at Sun Moon University or related academic services, then replace it with a unique passphrase and enable two-factor authentication through an authenticator app everywhere that same password was reused.
  • Cover the entire household with DoxxScan family protection, which extends to dependents and children’s gaming accounts that can be traced back to the same residential address or parent email.
  • Let remediation specialists handle ongoing takedown requests across data brokers and leak repositories so you do not have to chase every new appearance of your information.

The Sun Moon University listing is a reminder that any organization storing personal data can become a gateway to identity theft or harassment. A single breach rarely stays isolated. Starting with a clear picture of where your information already lives online gives you the best chance to limit damage before criminals stitch the pieces together. DoxxScan by GalaxyWarden delivers that visibility through continuous monitoring across more than 13.1 billion+ breach records and over 100 platforms, AI-powered identity-chain mapping that connects usernames to real identities, hands-on remediation by specialists, and full 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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SunMoon university 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 28, 2025
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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