INCIDENT: Vice Society Claims it Stole Leaked Data from San Francisco’s Bay Area Rapid Transit – BART

Vice Society, a prolific ransomware group, leaked data it claims to have stolen from San Francisco’s Bay Area Rapid Transit. BART's spokesperson Alicia Trost: "We are investigating the data that has been posted." "To be clear, no BART services or internal business systems have been impacted. As with other government agencies, we are taking all necessary precautions to respond." Trost did not say whether ransomware was involved nor when the incident occurred.

Transit sector remains highly vulnerable. “They have the worst security by far generally. It’s run on tax money and it’s run as a bureaucracy, and their mission is to deliver transit,” which means they often don’t spend enough on cybersecurity or properly assess the risk, according to Chester Wisniewski, principal research scientist at Sophos.

Incident Date

January 6, 2023


United States

Estimated Cost


Type of Malware:

No Malware identified

Threat Source:


  • San Fran’s BART Investigates Vice Society Data Breach Claims
  • Ransomware attack exposes California transit giant’s sensitive data


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