Certified Ethical Hacker (CEH) 2025 – 400 Free Practice Questions to Pass the Exam

Internet Protocol Security (IPsec) is a framework that primarily functions to create secure communication over Internet Protocol (IP) networks. Its main role is to establish a secure tunnel for data transmission, which allows for the encryption and authentication of data packets traveling across potentially insecure networks, such as the internet.

By encapsulating and protecting the data at the network layer, IPsec ensures that sensitive information remains confidential and unaltered while being transmitted from one endpoint to another. This makes it especially useful for creating Virtual Private Networks (VPNs) where secure data passage is crucial.

The other options focus on different aspects of data security. Encrypting data at the application layer pertains to securing information within specific applications rather than at the network layer. A user authentication framework emphasizes verifying the identity of users but does not specifically relate to the secure transmission of data. Securing data during storage involves protecting data that is not actively being transmitted, which is outside the scope of what IPsec is designed to address.