Cyber Incident Victim: Crosby Independent School District
Date:
Feb 2019
Location:
United States of America
Summary
The Crosby Independent School District experienced a ransomware attack that compromised its IT systems, discovered on a Sunday morning. The incident disrupted all district technology access, including telephone services, until systems could be restored. Officials notified parents and staff about the disruption but confirmed no evidence indicated unauthorized access to or compromise of confidential information during the attack.
| CIA Posture | Motives | Tactics, Techniques & Procedures |
|---|---|---|
| Available to members | 1 motive | 1 technique |
| Threat Actors | Type | Location |
|---|---|---|
| 0 actors | Available to members | Available to members |
Description
Crosby Independent School District experienced a ransomware attack discovered by its IT Department at approximately 10:30 a.m. on Sunday, February 3, 2019. The malware infiltration prompted district officials to issue notifications to parents and staff regarding the disruption of technology services. Immediate impacts included a complete loss of access to district IT systems, rendering critical operational tools inoperable and disabling telephone communications across the organization. School operations faced significant interruptions as staff could not utilize technology-dependent resources during the incident. District representatives emphasized there was no evidence suggesting unauthorized access to or exfiltration of sensitive data, indicating the attack primarily disrupted availability rather than compromising confidentiality.
The district’s response centered on containment and restoration efforts, with IT personnel working to resolve the incident and restore system functionality. Services remained unavailable until mitigation measures were implemented, though the article did not specify remediation timelines or technical recovery steps. Crosby ISD maintained transparency by proactively communicating the incident’s operational consequences while assuring stakeholders that confidential information appeared unaffected. No ransom demands, threat actor attribution, or specific malware variants were disclosed in available reporting. The disruption underscored the attack’s immediate impact on administrative and communication capabilities without expanding into confirmed data theft or broader systemic compromise.