Threat Detection Prevents a Ransomware Attack

The Situation

Strong Security With One Key Gap

This national legal organization had a strong foundation for security. Their environment included a managed detection and response (MDR) solution and a security information and event management (SIEM) system. However, multi-factor authentication (MFA) had not yet been implemented.

Despite that gap, their internal IT leadership had taken more precautions than many peer organizations. The overall posture helped limit risk, but the absence of MFA left an opening for attackers to attempt to exploit.

The Challenge

A Remote System Created A Network Risk

The security team received an alert through their MDR platform. A ransomware attack was unfolding on a single user’s remote device, connected to the internal network via VPN.

While the attack was isolated to one system, the potential damage was significant. Once inside, ransomware can encrypt shared drives and lock down entire environments within minutes. Sensitive HR files, employee data, and legal documents were all potentially exposed.

Had the threat not been contained immediately, the attack could have jumped to file servers and worked its way through the entire network.

The Solution

Blocking the Threat and Securing Access

The MDR platform contained the ransomware attempt almost instantly. The team received a call from the Security Operations Center and responded within seconds.

A complete system scan confirmed the threat had not spread. The team then reset all user passwords and rolled out multi-factor authentication organization-wide.

These actions closed the door on similar phishing-based threats and improved overall identity protection. Continued user education on password hygiene and awareness further strengthened their defenses.

The Result

Stopping the Threat and Building Resilience

The intrusion was stopped before it could cause harm, thanks to real-time detection and containment. No files were encrypted, no systems were taken offline, and business operations remained unaffected.

The organization was impressed not only by how quickly the threat was caught but also by how efficiently it was resolved. The event became a proof point for the value of their existing security investments and sparked faster implementation of MFA. They walked away confidently in their security posture and felt prepared to prevent future incidents.

Our Partner

About This Legal Organization

This national legal organization brings together people working in law and policy to support education, research, and public discussion. Its work often involves sensitive information and complex legal topics. Because of that, strong cybersecurity practices are essential for protecting staff, communications, and day-to-day operations.