Ethical Hacker's Certification Guide (CEHv11): A comprehensive guide on Penetration Testing including Network Hacking, Social Engineering, and Vulnerability Assessment by Mohd Sohaib

Author:Mohd Sohaib [Sohaib, Mohd]
Language: eng
Format: epub, pdf
ISBN: 9789391392161
Publisher: BPB Publications
Published: 2022-06-15T00:00:00+00:00

Figure 13.1: Wireless Network

However, with all the ease bundled, a significant caveat of wireless networks – the communication media; air. If not configured properly and secured adequately, the wireless networks can be the weakest link in your security infrastructure. A few problems that arise due to the “wireless” nature of the communications are as follows:

Packet capture: Unlike the wired networks, where an attacker has to physically access the network interfaces to connect, a wired network allows for capture, modification, and injection of data packets over the air.

Misconfiguration: It is sometimes quite difficult to secure a wireless network due to a wide variety of devices connecting to it. While trying the one-size-fits-all approach, these networks often work on master configurations. The network administrators usually lack expertise in all the protocols and device configurations, resulting in missed hardening or misconfigurations.

Coverage area: Although the fact that wireless networks can be connected independent of wired access points is a great advantage, a major drawback is the signal traversal over a wide area. If not checked, the range of wireless networks might not be limited to the physical confinement of the facilities and be available in nearby areas for attackers to try their hands on.

Spoofing: Due to a lack of physical connection, it becomes easy for an attacker to spoof an access point and trick the victim into joining a malicious network rather than the originally intended network.

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