The implications of going wireless

August 2003 Infrastructure, Security Services & Risk Management

Wireless local area networks (WLANs) bring true mobility to the business arena. It allows users to move from area to area while maintaining connectivity and offers a variety of business benefits driven by this user convenience. Other significant drivers of the technology include increased ability to transact business and immediacy of information.

Organisations who have so far embraced wireless technology and applied it to their business, have seen tangible results such as increased sales, improved customer service, a strong competitive advantage and, important for the financials, rapid return on investment.

For all these reasons, predicted growth in the WLAN market is from $2,4 to $5,2 billion by 2005.

However, according to Chris Davis, executive at NamITrust, the enterprise security division within NamITech, WLANs have distinct security implications for organisations. "It is exceptionally difficult to control physical access to a WLAN," says Davis. "They can be purchased and deployed with minimal cost and effort, possibly by individual departments who have not consulted with the IT department. Of course, this runs the risk of creating vulnerabilities on the overall security perimeter."

Vunerability

In addition, security weaknesses inherent in the WLAN protocols make a corporate network susceptible to any number of possible attacks. Should an organisation experience a malicious attack on its WLAN, it faces a compromise of information integrity and loss of customer faith.

Because of the above factors, it is critical that attention is paid to the security around WLANs. "Organisations need to seriously consider the vulnerabilities and additional security features required to make the basic WLAN specifications more secure and usable for the organisation," continues Davis.

A complication particular to WLANs is that an intruder could execute an attack without leaving a trace of evidence, as is generally found in traditional attacks. When an intruder closes their unauthorised session on the WLAN, no audit trail such as a traceable IP address is left behind. Without these vital audit trails, a WLAN operator may be held liable for illegal activities carried out on their networks.

Security measures

But rest assured, there are several security measures that can be instituted to limit the threat facing a WLAN. On a very practical level, the organisation should make sure that only authorised users are allowed to access the WLAN, using approved mobile devices. The company can implement stringent access controls, regulating which areas of a network people can access when connected through a wireless device as opposed to a wired desktop. And of course, strong authentication measures are vital. The organisation must have clearly defined policies regarding its WLAN, and the users of that WLAN should be documented and managed carefully.

"An important point to remember when considering the establishment of a WLAN, is that although the challenges are slightly different, wireless security cannot be viewed in isolation. It needs to be considered within the context of the overall security of the organisation," explains Davis. "In fact, while it certainly does require attention, it really remains just a symptom of the greater problem - overall security. As illogical as it may seem, only by treating your WLAN as insecure, will you be able to ensure the integrity of your organisation's wired network."

For more information contact NamITech, 011 458 0081.





Share this article:
Share via emailShare via LinkedInPrint this page



Further reading:

Upgrade your PCs to improve security
Information Security Infrastructure
Truly secure technology today must be designed to detect and address unusual activity as it happens, wherever it happens, right down to the BIOS and silicon levels.

Read more...
The hidden cost of cheap networking gear
Duxbury Networking Infrastructure
When it comes to building a network, price is always a consideration, especially in the current economic climate, but there is a difference between smart spending and short-term savings with long-term losses.

Read more...
Open source code can also be open risk
Information Security Infrastructure
Software development has changed significantly over the years, and today, open-source code increasingly forms the foundation of modern applications, with surveys indicating that 60 – 90% of the average application's code base consists of open-source components.

Read more...
Fastest PCIe Gen 5.0 NVMe SSD
Products & Solutions Infrastructure
Sandisk has unveiled the WD_BLACK SN8100 NVMe SSD with PCIe Gen 5.0 technology, an internal SSD delivering speeds up to 14 900 MB/s and capacities up to 4 TB, with 8 TB solutions available soon.

Read more...
Unified storage solution
Products & Solutions Infrastructure
CASA Software has announced the local availability of Nexsan’s upgraded unified storage solution, Unity NV4000, which is ideal for mixed workloads, from virtualisation and video surveillance to secure backup and recovery.

Read more...
Chubbsafes celebrates 190 years
Gunnebo Safe Storage Africa News & Events Security Services & Risk Management
Chubbsafes marks its 190th anniversary in 2025 and as a highlight of the anniversary celebrations it is launching the Chubbsafes 1835, a limited edition 190th-anniversary collector’s safe.

Read more...
Suprema unveils BioStar Air
Suprema neaMetrics News & Events Access Control & Identity Management Infrastructure
Suprema launches BioStar Air, the first cloud-based access control platform designed to natively support biometric authentication and feature true zero-on-premise architecture. BioStar Air simplifies deployment and scales effortlessly to secure SMBs, multi-branch companies, and mixed-use buildings.

Read more...
New law enforcement request portal
News & Events Security Services & Risk Management
inDrive launches law enforcement request portal in South Africa to support safety investigations. New portal allows authorised South African law enforcement officials to securely request user data related to safety incidents.

Read more...
Continuous AML risk monitoring
Access Control & Identity Management Security Services & Risk Management Financial (Industry)
AU10TIX, launched continuous risk monitoring as part of its advanced anti-money laundering (AML) solution, empowering businesses to detect behavioural anomalies and emerging threats as they arise.

Read more...
Back-up securely and restore in seconds
Betatrac Telematic Solutions Editor's Choice Information Security Infrastructure
Betatrac has a solution that enables companies to back-up up to 8 TB of data onto a device and restore it in 30 seconds in an emergency, called Rapid Access Data Recovery (RADR).

Read more...










While every effort has been made to ensure the accuracy of the information contained herein, the publisher and its agents cannot be held responsible for any errors contained, or any loss incurred as a result. Articles published do not necessarily reflect the views of the publishers. The editor reserves the right to alter or cut copy. Articles submitted are deemed to have been cleared for publication. Advertisements and company contact details are published as provided by the advertiser. Technews Publishing (Pty) Ltd cannot be held responsible for the accuracy or veracity of supplied material.




© Technews Publishing (Pty) Ltd. | All Rights Reserved.