Nearly a month after a cyberattack on Colonial Pipeline led to gasoline shortages across the nation, this week hackers targeted and shut down some operations at JBS, the world’s largest meat supplier. Like the previous incident, the perpetrators infiltrated the company’s computer systems and demanded a ransom to unlock them. Although JBS said that its systems are coming back online, it nevertheless had to halt operations at processing plants throughout the U.S. and Australia as a result of the attack. Continue reading

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In 2017 we looked at how the ransomware virus called “WannaCry” caused more than $8 billion in damage as it quickly infected hundreds of thousands of computers across the globe. Some victims even gave into the ransom that the virus demanded in order to regain access to their computers. Although a “kill switch” was eventually discovered in WannaCry’s code, the surprise cyberattack shocked many people in the business world. After all, securing a network against ransomware is extremely challenging, with Continue reading

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June 29, 2017

Christiaan-ColenOn Tuesday Roman Klimenko headed into his Kiev accounting office for work just like he does every day. A few hours after he opened his tax preparation software, however, something went horribly wrong. “The screen became red,” said Klimenko. “A warning appeared, and everything on the hard drive was scrambled.” In a matter of moments he lost all of his filings from last year.

This same situation played out across tens of thousands of Ukrainian computers in that same instant. Continue reading

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virus-attackLast Friday hackers launched a massive cyberattack that targeted hundreds of thousands of users and organizations in more than 150 countries. Using a “ransomware” virus called WannaCry, the malware infected computer systems by locking users out of their files and demanding money to set them free. Regardless of whether the user paid up or not, though, the virus was easily able to spread to other computers linked within the same network. Eventually one lucky researcher discovered a “kill switch” in Continue reading

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