How does a virtual private network (VPN) establish secure connections for remote users?

Why are regular software updates essential for addressing network vulnerabilities?

How do zero-day vulnerabilities compromise network security, and how can organizations mitigate such risks?

What are the key components of a robust network security policy for modern organizations?

How does user authentication, such as biometrics or passwords, enhance network security?

What is the principle of least privilege, and how does it reduce access-related security risks?

How do phishing attacks compromise user credentials and systems, and what measures reduce their impact?

What differentiates stateful firewalls from stateless ones, and how do they enhance network security?

How does deep packet inspection (DPI) identify threats hidden within network traffic data?

What is a botnet, and why does it pose a serious threat to networks?