Train arriving at West Portal Station, San Francisco. Image credit: Flickr |
Last Friday evening, transit passengers in San Francisco received
free fare. The open gates were not a gift from Muni Metro, but a precautionary response
to a cyber attack that disabled many employee computers. An anonymous hacker
sent ransomware, malicious software, via email and demanded $73,000 in ransom
to have the computers unlocked. It wasn’t until Monday morning that most
systems were back up and running. Because they had a backup system, the agency
was able to shut down critical machines and work with the Department of
Homeland Security to contain the attack. Although confidential customer
information and the computers that control trains were never compromised, the
attack is an example of the cyber threats that modern transportation
systems face. Critical infrastructure is often a target, making public agencies
especially susceptible to similar attacks. IBM has identified the
transportation sector as a key cyber target due to its increasing reliance on computer-based
control. Friday’s incident isn’t the first, and likely won’t be the last of its
kind.
For more information on the attack and how this type of
cyber crime happens, read the article by the Tribune News Service.
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