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.

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.