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high severity December 13, 2023 · 4 min read Unverified claim — what this is

cityofdefiance.com Listed by knight Ransomware Group

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

We have obtained more than 390Gb files on our internal network, which contain employee files,law enforcement video,mail and various confidential documents such as contracts.Defiance,OhioCity in and the county seat of Defiance County, Ohio, United States • Defiance is a city in and the county seat of Defiance County, Ohio, United States, about 55 miles southwest of Toledo and 47 miles northeast of Fort Wayne, Indiana, in Ohio's northwestern corner. The population was 17,066 at the 2020 censusCity of Defiance631 Perry Street Defiance, Ohio 43512Phone: 419-784-2101https://www.facebook.c

— from Knight’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.
cityofdefiance.com Listed by knight Ransomware Group

On December 13, 2023, the City of Defiance, Ohio, appeared on the leak site operated by the knight Ransomware Group. The municipal government, which serves as the county seat of Defiance County and has a population of roughly 17,000, was listed after attackers claimed to have exfiltrated more than 390 GB of internal files. Anyone whose personal information, employment records, or interactions with city services are stored in those systems may now be exposed.

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Details in the Leak-Site Listing

The knight Ransomware Group’s onion site states that it obtained the data during a ransomware attack on the city’s internal network. The listing explicitly mentions employee files, law enforcement video, email correspondence, contracts, and various other confidential documents. The primary disclosure does not quantify the number of affected individuals, nor does it list every file type in detail. It simply states that the data was taken from cityofdefiance.com’s systems and is now hosted for anyone who visits the extortion portal.

Because the listing comes directly from the threat actor’s leak site, the claim of 390 GB of exfiltrated material carries weight typical of ransomware groups that publish proof before escalating demands. No independent tally of records has been released by the city in the provided disclosure.

Why This Matters for You and Your Family

When a city government loses control of internal files, the consequences reach far beyond municipal offices. Employee records often contain Social Security numbers, home addresses, dates of birth, and direct-deposit information. Law-enforcement video can include footage of residents, witnesses, or victims. Contracts and email may expose correspondence that reveals personal details about families, children in city programs, or local business owners. Once this material leaves official control, it can be downloaded, reposted, or sold on other underground forums with no further warning.

Any resident of Defiance County whose information passed through city systems should treat this claimed breach as a personal exposure event. The disclosure indicates that the stolen material includes day-to-day government records that ordinary people rely on for licenses, permits, police reports, and employment verification.

The Doxxing and Identity-Chain Implications

Ransomware leaks rarely stop at the initial publication. Threat actors and opportunistic criminals routinely cross-reference newly released government files against other stolen datasets. An email address found in a city employee directory can be linked to accounts on social media, streaming services, or children’s gaming platforms. A home address appearing in a contract can be tied to vehicle registrations or family-member names. These connections create persistent identity chains that fuel long-term harassment, identity theft, and targeted scams.

Even when the original leak site eventually disappears, copies of the 390 GB archive are likely to circulate for years. Public reporting on similar incidents shows that municipal breaches frequently lead to doxxing of both city workers and private residents whose information was stored in the same environment.

Knight Ransomware Group’s Known Track Record

Public reporting attributes the knight Ransomware Group’s emergence to late 2022. The group has since listed dozens of organizations, focusing on mid-sized cities, counties, manufacturers, and healthcare providers. Notable prior victims include other U.S. municipal governments and small-to-medium enterprises whose internal networks were compromised through phishing or unpatched remote-access software. Their typical playbook involves initial access via compromised credentials, followed by exfiltration of sensitive folders before encryption. They then publish samples on their leak site and demand payment to prevent full disclosure. The group’s sites have changed domains multiple times, but the extortion style—gradual release of proof combined with deadlines—has remained consistent.

What to do

  • Run a DoxxScan to map every link between your email addresses, phone numbers, usernames, and real-world identity so you can see exactly what the knight leak now connects to.
  • Rotate any password you used for cityofdefiance.com, employee portals, or related municipal services, and enable 2FA through an authenticator app rather than SMS.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next time your information surfaces you learn within hours instead of months.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts, which often become takeover targets when parent credentials appear in government leaks.
  • Let remediation specialists handle data-broker takedown requests and removal of any exposed personal documents that stem from this incident.

The City of Defiance breach is a reminder that local-government systems hold information that directly affects everyday families. Staying ahead of cascading exposure requires more than changing a password. Start your DoxxScan trial and use its continuous monitoring, AI-powered identity-chain mapping, and hands-on remediation by specialists to protect yourself and your household—including children’s gaming accounts that can be hijacked through the same credential leaks.

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.

Check your exposure
cityofdefiance.com 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 December 13, 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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