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VMware Horizon servers are under active exploit by Iranian state hackers

Enlarge (credit: Getty Images) Hackers aligned with the government of Iran are exploiting the critical Log4j vulnerability to infect unpatched VMware users with ransomware, researchers said on Thursday. Security firm SentinelOne has dubbed the group TunnelVision. The name is meant to emphasize TunnelVision’s heavy reliance on tunneling tools and the unique way it deploys them....

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US says Russian state hackers lurked in defense contractor networks for months

Enlarge / What’s happened to Russia’s flag? (credit: Sean Gladwell / Getty Images) Hackers backed by the Russian government have breached the networks of multiple US defense contractors in a sustained campaign that has revealed sensitive information about US weapons-development communications infrastructure, the federal government said on Wednesday. The campaign began no later than January...

Flood of malicious junk traffic makes Ukrainian websites unreachable
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Flood of malicious junk traffic makes Ukrainian websites unreachable

Enlarge (credit: Getty Images) Ukraine’s defense ministry and two banks were knocked offline on Tuesday by a flood of malicious traffic designed to prevent people from visiting the sites, Ukraine’s information security center said. The distributed denial-of-service attacks targeted the websites for Ukraine’s defense ministry, the Armed Forces of Ukraine, and two banks, Privatbank and...

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Researchers find threat group that has been active for 5 years

Enlarge / Warning: Data transfer in progress (credit: Yuri_Arcurs/Getty Images) Researchers on Tuesday revealed a new threat actor that over the past five years has blasted thousands of organizations with an almost endless stream of malicious messages designed to infect systems with data-stealing malware. TA2541, as security firm Proofpoint has named the hacking group, has...