The problem has been exacerbated by the advent or wireless technology and the implementation of WLANs which have not benefited from the corporate "fortress mentality" that is evident in terms of physical security. The reason for this may be simple ignorance of what is available in terms of wireless security - a naïve assumption that the signals don't carry beyond the company's walls, or an instinctive head-in-the-sand idea that if you can't see the information, you can't steal it.
Perhaps the most compelling message from the networking industry is that it doesn't have to be this way - using a WLAN doesn't mean trading security for wireless convenience. However, it does mean that companies have to take adequate security precautions.
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