ATC Transportation was hit by a ransomware attack that involved the personal information of some current and former employees and applicants.
Names, Social Security numbers, and the results of DOT-mandated drug tests were among the personal information of certain current and former workers and applicants that was accessed by the unauthorized actor.
They investigated the incident and implemented additional security measures designed to enhance the security of its network, systems, and data.
Source: https://www.databreaches.net/atc-transportation-discloses-ransomware-attack/
"id": "ATC162812123",
"linkid": "atc-transportation",
"type": "Ransomware",
"date": "05/2021",
"severity": "85",
"impact": "3",
"explanation": "Attack with significant impact with internal employee data leaks"