Summary  
This chapter covers implementing multi-layered security measures for wireless communications, including encryption protocols (WPA2), access control via SSID/password and MAC filtering, secure tunneling with VPNs, firmware updates, and monitoring through firewalls and intrusion detection systems.

General domain of usage  
Network security

**Wireless networks** offer flexibility and convenience, but they also introduce additional security vulnerabilities compared to wired networks. Securing wireless networks involves using a combination of **encryption**, **access control**, and **monitoring** to mitigate these risks and ensure data remains protected.

Why is it important to change the default SSID and password of a wireless router?

Netværksgrundlæggende er et omfattende kursus designet til begyndere og let øvede, der ønsker at opbygge praktiske færdigheder inden for netværk. Kurset dækker alt fra grundlæggende begreber til avancerede anvendelser og gennemgår centrale emner såsom netværkstyper, IP-adressering, protokoller og netværkssikkerhed. Ved kursets afslutning vil du være udstyret med essentielle færdigheder til at fejlfinde, sikre og administrere netværk effektivt, hvilket giver et solidt fundament for videre specialisering inden for netværk.

Learn about the history and evolution of networking technologies and how modern communication systems rely on networks. This section provides a comprehensive overview of how devices communicate and share resources efficiently across different types of networks.

Discover the fundamental role of IP addressing in identifying devices on a network and how subnetting helps optimize network efficiency. This section covers the basics of IP addressing, introduces subnetting techniques to segment networks, and explores how these concepts contribute to smooth communication across connected devices.

Explore the foundational rules and protocols that govern how data is transmitted and received over networks. This section delves into essential networking models, such as the OSI Model and the TCP/IP Model, while covering widely-used protocols like HTTP, FTP, and DNS. Understanding these protocols ensures that devices communicate effectively, regardless of their underlying technologies, creating seamless interactions between global networks.

Learn how to protect networks from cyber threats by implementing essential security measures. Explore firewalls, intrusion detection systems, and encryption techniques to safeguard data. This section also covers securing both wired and wireless networks, helping you maintain robust network security in various environments.

Discover the essential tools and techniques used to diagnose and resolve network issues. Learn how to identify and address common network problems, monitor performance, and ensure networks are running optimally. This section will also cover best practices for maintaining a network and keeping it secure.

Securing Wireless Networks

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Securing Wireless Networks