Wireless Networking Security - What is 'WEP' and Should I Be Using it?

WEP, or Wired Equivalent Privacy, is the name ofthus giving the impression that it will be very
the original technology for securing a wirelessdifficult for anyone to guess the pass-key.
network. The name is at the very bestTechnically, this is correct. It would be virtually
commendable but at the very least extremelyimpossible for someone to 'guess' this key. But as
misleading. The technology never came close tostated, there are software utilities that can 'sniff'
the goal of securing wireless networks to a levelthe air for wireless signals, analyzed the type of
that could be considered 'equivalent' to itsnetwork, intercept the stream of data and
hard-wired cousin.decrypt the pass key without any user
WEP is a key-matching encryption protocol thatintervention.
uses a pass key for every client that wantsSome say that utilizing WEP with another tool
access to the wireless network. This key mustincluded on my wireless devices such as a MAC
be an identical match in order to be granted aaddress inclusion/exclusion option will give you the
right to use the network resources. If this keyadded level of security needed. Again, this is
does not exactly match, then the user is simplyanother assumption gone wrong. Just like the
unable to login to the network.software tools that will decipher the pass key,
The technology itself is not inherently bad. It isthere are utilities that can generate false MAC
the way that WEP is implemented. It is fairly easyaddresses to overcome this feature.
for someone unauthorized to gain access to theShould you use WEP? Well, I guess that if you are
network by figuring out the network key. Oncechoosing using WEP versus absolutely no security,
this key is obtained, they can login as any otherit is better than using nothing. And I mean barely
person with permission to use the networkbetter. A good way to think about this is to
granting them access to the resources orcompare your home's front entrance. You have a
receiving all the information sent across thechoice between nothing at all and the doorway
wireless network and even decipher it withoutstanding wide open - this is your wireless network
you knowing that they are there!with no security protection active. WEP would be
Any snoop with a personal computer withsimilar to you having a screen door that swings
wireless ability can download easy-to-use hackerclosed but has no latch, no lock. Agreed, the
tools and utilities that will enable anyone, not just adoorway is better off now than it was without
sophisticated hacker, to gain access to a WEPanything at all. Maybe critters cannot get in but I
protected network.think you will agree that it is anything but secure.
The supposed and assumed strength of WEP is inAnd there is a better way = WPA (Wi-Fi
the pass key. It can be up to 128-bits in lengthProtected Access) discussed in my next article...