Safety0 sources· Running 221 days· Last updated Oct 2, 2026

Cyberattack Disrupts Breathalyzer Device Operations Nationwide

Why It Matters

The disruption caused by this cyberattack highlights the fragility of systems integral to public safety, particularly for individuals on probation or parole. Many users of Intoxalock's devices are at risk of legal repercussions due to their inability to comply with calibration requirements. This incident serves as a wake-up call for the need to enhance cybersecurity protocols in safety-critical industries to protect vulnerable populations from technological failures.

Summary

On March 14, 2026, Intoxalock, a company specializing in ignition interlock devices for DUI offenders, experienced a severe cyberattack that crippled its operations across the United States. The attack rendered calibration systems inoperable, preventing users from meeting mandatory monthly calibration deadlines for their breathalyzer devices. Consequently, approximately 7–10 percent of users faced difficulties starting their vehicles, raising serious concerns about compliance with DUI monitoring requirements. As Intoxalock continues to work on restoring its services, the fallout from the attack has left many drivers stranded and unable to legally operate their vehicles. This incident has sparked urgent discussions about the vulnerabilities of critical safety systems that rely on technology, emphasizing the need for robust cybersecurity measures in industries that impact public safety.