IPsec VPN What is an IPsec VPN? An IPsec VPN is a virtual private network that uses Internet Protocol Security (IPsec) to establish encrypted and authenticated connections, ensuring secure communication over public networks. Explanation IPsec VPNs provide end-to-end encryption, protecting data from unauthorised access during transmission. They are commonly used by businesses for secure remote access and interoffice communication. Practical Example of an IPsec VPN A company employs an IPsec VPN to enable remote employees to securely access internal resources, ensuring data privacy and network integrity.