The ExfilSquad ransomware group listed City of Houston on its data leak site on 2026-07-26. Country: US Sector: Government & Defense Domains named: houstontx.gov Claim as published on the leak site: DATA SUMMARY: 6M~ records containing: significant PII, resident contact details, service requests, complaint descriptions, addresses, location data, case/ticket metadata, department routing, service status, resolution information, and extensive CRM metadata.