The latest news about WEP encryption is that it is extremely broken. Hackers now have tools that can break into a WEP enabled wireless network in under 1 minute. Many wireless networks are running WEP because their older access points do not support WPA.
This is another great reason why all employees need to make sure they use VPNs when accessing corporate resources while at cafes and other public spaces.
Here is a good article about this:
We All Weep for WEP
http://www.wi-fiplanet.com/columns/article.php/3675561
My favority security podcast host, Steve Gibson, has a great podcast on the topic
Episode #89: Even More Badly Broken WeP
http://www.grc.com/securitynow.htm
