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high severity April 02, 2023 · 3 min read Unverified claim — what this is

City of Modesto Listed by nokoyawa Ransomware Group

If you are a resident of City of Modesto, here’s what is being claimed, and what it would mean for you.

Modesto is the county seat and largest city of Stanislaus County, California, United States. With a population of 218,464 at the 2020 census, it is the 19th largest city in the state of California and forms part of the Sacramento-Stockton-Modesto Combined Statistical Area.The city is surrounded by...

— from Nokoyawa’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.
City of Modesto Listed by nokoyawa Ransomware Group

On April 2, 2023, the City of Modesto appeared on the leak site operated by the nokoyawa ransomware group. The municipal government, which serves more than 218,000 residents in Stanislaus County, California, is named in the listing as having been hit by a ransomware attack in which internal files were allegedly exfiltrated. The listing does not specify the volume or exact categories of data taken, nor does it state how many individuals may be affected.

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Details from the Leak-Site Listing

The primary disclosure on the nokoyawa onion site states that Modesto was listed after the city failed to meet the group’s extortion demands. It describes the incident as a successful ransomware deployment that resulted in both encryption of systems and exfiltration of internal files. The leak page, still accessible via the .onion link at the time of publication, shows samples of the allegedly stolen material but does not quantify record counts or name specific databases. Public reporting on nokoyawa indicates the group typically posts proof-of-compromise screenshots and compressed archives once negotiations break down.

Why This Matters for You and Your Family

When a city government suffers a breach, the records most at risk often include names, addresses, dates of birth, Social Security numbers, driver’s license details, and employment information of residents who have interacted with city services. Even though the disclosure does not list exact data types, municipal networks routinely hold tax rolls, permitting databases, utility accounts, and human-resources files. Any of these can be used to open fraudulent accounts, file fake tax returns, or impersonate you or your family members. If you live in Modesto or have done business with the city in the past decade, your information may now sit in an attacker-controlled archive whose future distribution cannot be predicted.

Doxxing and Identity-Chain Risks

Exfiltrated municipal files frequently contain enough personal detail to link disparate online handles, email addresses, and phone numbers back to real-world identities. Once attackers or subsequent buyers map these connections, the risk escalates from simple identity theft to full doxxing campaigns that expose home addresses, family relationships, and even children’s school records. Credential leaks from city employee accounts can also cascade into takeovers of personal email, banking, and gaming accounts. Public reporting shows that ransomware operators increasingly sell or publish such datasets on multiple underground forums, lengthening the window during which your information remains exposed.

Nokoyawa’s Known Track Record

Public reporting attributes the first major appearances of nokoyawa to late 2022. The group has since claimed responsibility for attacks against healthcare providers, manufacturing firms, and several other local governments. Its typical playbook begins with initial access gained through compromised remote desktop protocol credentials or phishing, followed by rapid lateral movement, data exfiltration, and deployment of ransomware. Nokoyawa then demands payment within a short window—often two to four weeks—before publishing samples and threatening full data dumps. The group’s leak site functions both as an extortion platform and a public shaming mechanism, a pattern consistent with many double-extortion ransomware operations observed since 2021.

What to do

  • Run a DoxxScan to map every link between your emails, phone numbers, usernames, and real identity so you can see exactly what chains back to the Modesto breach.
  • Rotate any password you used for city portals, employee accounts, or personal services tied to the same email domain, 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 exposure surfaces within hours instead of months.
  • Cover your entire household with DoxxScan family protection, which extends to dependents and children’s gaming accounts that often reuse credentials and link back to the same residential address.
  • Let remediation specialists handle ongoing takedown requests for any personal records that surface on data-broker or extortion sites.

The Modesto incident illustrates how quickly a single municipal breach can feed long-term identity and doxxing risks for ordinary residents. Staying ahead requires more than reactive checks; it demands continuous visibility and expert assistance. DoxxScan by GalaxyWarden delivers that combination through continuous monitoring across 13.1B+ breach records and 100+ platforms, AI-powered identity-chain mapping, hands-on remediation by specialists, and full household coverage that includes children’s gaming accounts. Source: nokoyawa leak site (via ransomware.live)

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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City of Modesto 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 April 02, 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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