The head of the Dallas (Tex.) Communications and Information Department has confirmed that a computer virus infected the city’s public safety CAD computers some time before last Sunday, and that technicians had contained the outbreak and eradicated the virus. Worris Levine would not identify the virus or say how it infected the CAD system, but said changes had been made to prevent future infections. The city installed CAD software from TriTech Software Systems in Aug. 2007, and has been battling glitches between the new CAD and older linked systems such as mobile data. Levine said a CAD shut-down last Wednesday was caused by a configuration problem, not a virus, and had also been fixed. On Sunday the CAD system was shut down for routine maintenance around 6:30 a.m. Technicians discovered “more viruses” during routine file clean-up, and so the 11 a.m. turn-up time was delayed until about 9:40 p.m. Sunday night. This same pattern followed on Wednesday, with computer maintenance scheduled in the morning for two hours, but ended up lasting until 11 a.m. Read more here.
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