A talk on wireless security.
Most wireless routers come with WEP not only available but enabled by default. As I learned today, WEP is a deprecated standard and shouldn’t even be supported and yet, almost everyone is using WEP at home.
I actually wanted to sit on this so I could tell people I know why they shouldn’t use WEP in their wireless configs.
There was a lot of detailed talk about encryption schemes and how WPA and WPA2 work and why they are so much better mostly due to the use of PSK for generating keys. WEP, as demonstrated, is really horribly weak and if anyone took 10 minutes to learn this stuff they could probably crack any router with WEP.
After a lot of tech talk about WEP’s specs the presenter cracked an access point that he had brought with him in about 30 seconds. He ran a script that sniffed packets and then began inserting its own packets into the wifi signal. After about 15 seconds of that it had the key for that router available. Kind of an impressive demo…looked a little like magic. Black magic of course.
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