Ransomware Attack at Pierce Transit System

February 15, 2024


A ransomware "incident" hit Pierce Transit. A Pierce Transit spokesperson stated the agency "experienced a ransomware incident that temporarily disrupted some agency systems. Upon discovering the incident, our team immediately took action to contain and isolate the threat. Third party forensic experts were engaged to conduct a thorough investigation into the nature and scope of the incident, and law enforcement has been notified.” They claim that transit operations and rider safety were not impacted because of the incident.
The Pierce Transit spokesperson went on to say that an "unauthorized actor" has claimed responsibility and that the investigation into the disruption is ongoing.

Incident Date

February 14, 2023

Estimated Cost

No cost values disclosed.


No victims identified

Type of Malware

Threat Source

No threat source identified