Mattrich uses a VPN to work from his Apple computer. While connected, he clicks a link from his personal email account. Days later, corporate offices are down because of a massive ransomware attack. What MOST LIKELY occurred?

Domain 4: Communication and Network Security Practice Questions
Questions from the following topics are included in this domain:   
Assess secure network design principles.   
Implement secure network design principles.  
Secure network components using network access control devices.   
Implement secure design communication channels.  
Understand data communications and virtualized networks.