Attack on Atlanta one of the most sustained and consequential cyberattacks ever mounted against a major American city

The New York Times reports:

The City of Atlanta’s 8,000 employees got the word on Tuesday that they had been waiting for: It was O.K. to turn their computers on.

But as the city government’s desktops, hard drives and printers flickered back to life for the first time in five days, residents still could not pay their traffic tickets or water bills online, or report potholes or graffiti on a city website. Travelers at the world’s busiest airport still could not use the free Wi-Fi.

Atlanta’s municipal government has been brought to its knees since Thursday morning by a ransomware attack — one of the most sustained and consequential cyberattacks ever mounted against a major American city.

The digital extortion aimed at Atlanta, which security experts have linked to a shadowy hacking crew known for its careful selection of targets, laid bare once again the vulnerabilities of governments as they rely on computer networks for day-to-day operations. In a ransomware attack, malicious software cripples a victim’s computer or network and blocks access to important data until a ransom is paid to unlock it.

“We are dealing with a hostage situation,” Mayor Keisha Lance Bottoms said this week.

The assault on Atlanta, the core of a metropolitan area of about 6 million people, represented a serious escalation from other recent cyberattacks on American cities, like one last year in Dallas where hackers gained the ability to set off tornado sirens in the middle of the night. [Continue reading…]

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