Malware Attack Disrupts Passaic County, New Jersey Phone Lines and IT Systems
Breach & Incident Intelligence · 3 sources · Updated 4mo ago · First seen Mar 6, 2026

Passaic County, New Jersey reported a malware attack that disrupted county government IT systems and caused widespread phone line outages across offices serving a population of nearly 600,000. The county indicated phone service went down Wednesday morning and later confirmed the outage was tied to a cyber incident, stating it is working with federal and state officials to investigate and contain the intrusion.
Officials have not publicly detailed which specific systems were impacted beyond telephony and general IT services, nor attributed the activity to a specific threat actor or confirmed ransomware. County statements also noted that other New Jersey local governments have experienced similar incidents recently, aligning with broader reporting that municipal and county governments have remained frequent targets of disruptive malware and ransomware operations.


