Italy's National Cybersecurity Agency (ACN) warned on Sunday of a massive ransomware campaign on thousands of computer servers across Europe and North America. France, Finland and Italy are the most affected countries in Europe at the moment, while the US and Canada also have many targets hit..
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The attack targets vulnerabilities in VMware ESXi technology that have been previously discovered but still leave many vulnerable to intrusion by hackers.
" “However, this server vulnerability has not been fully patched, leaving the door open for hackers to launch new attacks.
”.
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France was the first country to detect the attack. French cybersecurity agency ANSSI issued a notice on Friday to alert organizations to fix the vulnerability..
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It is estimated that thousands of computer servers have been compromised around the world, and analysts say that number is likely to rise.. Experts warn organizations to take action to avoid blocking access to their systems.