VPN stands for $$virtual private network,$$ a method of secure communications that protects your connection while you're using the internet. Companies of all sizes often utilize VPNs as a critical layer of data security. However, in $2019,$ the Department of Homeland Security released alerts on advanced persistent threat $($APT$)$ actors exploiting vulnerabilities in VPN applications. A remote attacker could exploit these vulnerabilities to take control of an affected system.

Discuss how VPN can cause cybersecurity issues for an organization. Develop your argument by considering several key cybersecurity issues, including insider attackers, auditing and analyzing networks, access control, authentication, etc.