Wayne County, Michigan 2024 Data Breach
ObscureIQ Breach Intelligence
High SeverityWebsite / service breach
Wayne County Michigan Government Ransomware Breach (2024): 206K Resident Records Including SSN & Government Services Disrupted
County government in Michigan.
Verified by ObscureIQ Intelligence
82/100Breach Risk Index
50Data Value
40Market Recency
321dSince Breach
Breach Intelligence Summary
Entity: Wayne County, Michigan · Actor: Interlock · Sources: 2 references
Attack: Ransomware / Extortion
Profile: Government entity · Public services and administration · County government · USA
Timeline: Breach (2024-10-02) · Year (2024)
Exposure: 206K records · 5 fields: Bank Account, Criminal Records, Email Address, Phone Number, Social Security Number
Status: Confirmed
Executive Summary
On October 3, 2024, Wayne County, Michigan suffered a ransomware attack that disabled county websites and disrupted property-tax, court, and jail operations. In February 2025 the Interlock ransomware group claimed responsibility, saying it had exfiltrated roughly 7.7 TB across more than 130 SQL databases, including resident personal data, bank account details, and a large collection of confidential criminal-investigation files; the data was leaked around March 1, 2025. Confirmed circulating identifiers include Social Security numbers, emails, and phone numbers, with reporting also citing bank account and criminal-records exposure. The record reflects approximately 206,287 affected individuals (of ~1.75 million county residents).
ObscureIQ assessment: Exposure enables identity theft, benefits fraud, document fraud, and government-themed phishing. County-level datasets are especially valuable because they connect people to official records and local services.
Breach Impact
The breach exposed a large volume of resident data, including Social Security numbers, bank account details, and confidential criminal-investigation and court records, creating identity-theft, financial-fraud, and privacy harms and raising unusual risks around exposure of criminal-justice information. The attack also disrupted essential public services for one of the nation's largest counties, eroding public trust.
About Wayne County, Michigan
Wayne County is the most populous county in Michigan (home to Detroit), serving roughly 1.75 million residents. Its government administers property tax, courts and criminal justice, vital records, health, and other public services, maintaining resident, employee, vendor, tax, property, court, and criminal-justice records across county systems.
Why They Hold Your Data
County governments aggregate identity, address, tax, property, court, licensing, and public-service records tied to residents, employees, vendors, and administrative operations.
Recent Developments
An October 3, 2024 ransomware attack disabled county websites and disrupted property-tax payments, case management, estate sales, inmate processing, and court scheduling. In February 2025 the Interlock ransomware group claimed responsibility, and the stolen data was leaked around March 1, 2025. The county worked to restore services and investigate.
Data Points Exposed
5 verified field types
Bank Account
Criminal Records
Email Address
Phone Number
Social Security Number Critical
Field names are shown in full for clarity and search visibility. Canonical machine keys are emitted only in this page’s structured data.
Exploitation & Downstream Threats
Threat Activity:Critical
Primary downstream threats:
- Identity theft and synthetic identity construction using SSN
- Financial fraud using exposed bank account details
- Exposure and misuse of confidential criminal-investigation and court records
- Government-services and benefits-fraud phishing
- SIM swap and vishing attacks where phone numbers are present
Threat vectors:
- Full identity theft & synthetic identity fraud
- Bank account & financial fraud
- Criminal-records exposure & extortion
- Government-services & benefits-fraud phishing
- Name-based social engineering
- SIM swapping, vishing & SMS phishing
Threat Actor: Interlock
Interlock
Ransomware / Extortion
Attribution and method are based on available breach intelligence. Reported attack vector: Ransomware / Extortion.
Recommended Actions
If you believe your information may be included:
Protect Your ID Documents
Government-ID exposure enables document fraud — monitor and report misuse.
Enable MFA Everywhere
Turn on multi-factor authentication on email first, then financial accounts.
Report & Recover
If you spot misuse, start an official recovery plan and report fraud.
Frequently Asked Questions
What happened in the Wayne County, Michigan breach?▾
On October 3, 2024, Wayne County, Michigan suffered a ransomware attack that disabled county websites and disrupted property-tax, court, and jail operations. In February 2025 the Interlock ransomware group claimed responsibility, saying it had exfiltrated roughly 7.7 TB across more than 130 SQL…
What data was exposed?▾
Verified fields include Bank Account, Criminal Records, Email Address, Phone Number, Social Security Number.
What should I do if I was affected?▾
Change reused passwords, enable MFA, and (if identity or financial data is involved) freeze your credit and monitor your accounts.
Sources & References
Every claim on this page is traceable. This breach draws on:
Breach Index
ObscureIQ Intelligence
ObscureIQ proprietary analysis
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