Sygnia cybersecurity experts have observed a rise in ransomware attacks targeting virtualized environments, particularly VMware ESXi infrastructure. Threat actors are exploiting vulnerabilities and misconfigurations in virtualization platforms to exfiltrate data before encrypting systems. Notorious ransomware groups such as LockBit and BlackMatter are using this attack vector. These attackers shut down virtual machines before encryption, making recovery difficult. To prevent such attacks, organizations should patch vulnerabilities, enforce access controls, monitor activity, and have an incident response plan. A ransomware attack on ESXi infrastructure can have severe consequences, including data loss and reputational damage. Organizations must take a layered security approach, including patching, network segmentation, and strong authentication. Staying informed about threats and implementing effective defense strategies is crucial in protecting critical assets from ransomware attacks.
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