NEW YORK — Car dealerships in North America continue to wrestle with major disruptions that started last week with cyberattacks on a software company used widely in the auto retail sales sector.

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Chris DeMillo was promoted to vice president of information technology in September after holding several IT positions since joining the company in 2005.

HOUSTON — A wireless hacking demonstration staged at the National Motor Freight Traffic Association's cybersecurity conference revealed the vulnerabilities of a tractor-trailer.

Estes Express Lines late Oct. 12 said its rating and quoting system, as well as telephone lines and email access, were again operational following a cyberattack earlier in the month.

However different and complex these issues that face the truckling industry may be, there’s one common thread that ties many of them together: the known unknown.

WASHINGTON — The Justice Department is poised to sue government contractors and other companies who receive U.S. government grants if they fail to report breaches of their computer systems or misrepresent their cybersecurity practices, the department’s No. 2 official said Oct. 6.

Nearly three months after a cyberattack against a prominent petroleum products distributor on the East Coast, groups representing various infrastructure sectors called for robust methods to protect the country’s freight and mobility grids.

JBS SA, the world’s largest meat producer, has made “significant progress” to resolve the cyberattack that hit its global operations and will have the “vast majority” of its plants operational June 2.

Japanese carmaker Honda said June 9 that it has been hit by a cyberattack that disrupted its business in several countries, though it expects the overall impact to be contained.