Question

You are about to implement the wireless network security measures and policies you just described above, and your boss sends you to talk with two operations managers. The managers are concerned that new restrictions will inhibit their workers and lower performance, which would create a risk to the company in meeting its minimum production levels. Your task (to answer this question) is to explain to the managers how the wireless security measures and policies relate to risk management for the company and alleviate the managers’ concerns.

Answer 1

Wireless networking provides many advantages, but it also coupled with new security threats and alters the organization's overall information security risk profile. Although implementation of technological solutions is the usual respond to wireless security threats and vulnerabilities, wireless security is primarily a management issue. Effective management of the threats associated with wireless technology requires a sound and thorough assessment of risk given the environment and development of a plan to mitigate identified threats.

Wireless networking presents many advantages Productivity improves because of increased accessibility to information resources. Network configuration and reconfiguration is easier, faster, and less expensive. However, wireless technology also creates new threats and alters the existing information security risk profile. For example, because communications takes place "through the air" using radio frequencies, the risk of interception is greater than with wired networks. If the message is not encrypted, or encrypted with a weak algorithm, the attacker can read it, thereby compromising confidentiality. Although wireless networking alters the risks associated with various threats to security, the overall security objectives remain the same as with wired networks: preserving confidentiality, ensuring integrity, and maintaining availability of the information and information systems. The objective of this paper is to assist managers in making such decisions by providing them with a basic understanding of the nature of the various threats associated with wireless networking and available countermeasures.

The popularity of wireless Networks is a testament primarily to their convenience, cost efficiency, and ease of integration with other networks and network components. The majority of computers sold to consumers today come pre-equipped with all necessary wireless Networks technology. The benefits of wireless Networks include: Convenience, Mobility, Productivity, Deployment, Expandability and Cost.

Wireless Network technology, while replete with the conveniences and advantages described above has its share of downfalls. For a given networking situation, wireless Networks may not be desirable for a number of reasons. Most of these have to do with the inherent limitations of the technology. The disadvantages of using a wireless network are:Security, Range, Reliability, and Speed.

Wireless Networks present a host of issues for network managers. Unauthorized accesspoints, broadcasted SSIDs, unknown stations, and spoofed MAC addresses are just a few of the problems addressed in WLAN troubleshooting. Most network analysis vendors, such as Network Instruments, Network General, and Fluke, offer WLAN troubleshooting tools or functionalities as part of their product line.

Unauthorized access to company wireless and wired networks can come from a number of different methods and intents. One of these methods is referred to as “accidental association”. When a user turns on a computer and it latches on to a wireless access point from a neighboring company’s overlapping network, the user may not even know that this has occurred. However, it is a security breach in that proprietary company information is exposed and now there could exist a link from one company to the other. This is especially true if the laptop is also hooked to a wired network.

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