Compromising Privacy in Public Places
Wired networks literally know no bounds. Other companies may have
wireless networks across the hall or on the floor right above you. The
frequencies used by Wi-Fi networks easily penetrate building materials
to the point where someone could easily use your wireless network from
a nearby location not in your internal corporate environment.
However, what if you have a legitimate business need to access your
internal corporate network from a public environment outside your corporate
offices? What if you are a mobile employee, are working at a
remote client site, or simply have the need to work out of your home
office one day? All these places are more accessible to the public, so how
does that affect your security?
It is a business necessity today to access network resources remotely, and
at times that does involve using wireless links, while at other times you
need to use external networks or ISPs that are beyond your scope of trust.
For example, many airports and corporate networking centers allow
mobile road warriors to use their existing laptop equipment to connect
(using third-party wireless networks) at a fee, as a conduit into their
corporate intranet. Today, you will find this service more commonly at
Internet cafés, networking conference centers, and in many large airports.
More and more organizations are deploying a simple 802.11 infrastructure
to support mobile customers.
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