Roman Seleznev, the son of a Russian MP, caused over $169 million in damages by installing malware on point-of-sale machines.
The malware's peer-to-peer IoT device network numbers in the tens of thousands, according to Symantec.
'We had people asking if we were being attacked,' a city spokeswoman said.
While the company was able to avoid falling victim to the ransomware, the attackers may have been able to access patient data.
Cybercriminals use many different types of malware to attack systems. Here are some of the most common malware types and how to defend against them. We define everything from adware to worms and everything in between.
Cyber insurance could be the difference between staying in business or shutting down for good because of a data breach.
Names, Social Security numbers and birthdates were accessed.
The allegedly compromised account information may have come from the LinkedIn breach.
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The malware began infecting businesses across North America in late January.
Understanding how ransomware infects computers and mobile devices is critical for preventing ransomware attacks.
'The indictment unequivocally shows the attacks on Yahoo were state-sponsored,' Yahoo's assistant general counsel said.
33 percent of respondents to a recent survey experienced a ransomware attack in the past year.