Re: Wireless security
From: ROBERT S AMP BA Drake (robtsdrake_at_verizon.net)
Date: 10/23/05
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Date: Sun, 23 Oct 2005 14:44:25 GMT
If you have SSN, Account #s, credit card info etc. on your computer, you'd
better keep it in encrypted files with strong keys. Cat 5 won't help you -
firewalls raise the bar a bit
"Imhotep" <Imhotep@nospam.net> wrote in message
news:mYKdnRc6eKZrb9fenZ2dnUVZ_s-dnZ2d@adelphia.com...
> John Hyde wrote:
>
>> Greetings,
>>
>> I am in the process of setting up wireless access in our small office.
>> The wireless access point hardware I have seen is all equipped to do up
>> to 128 bit WEP encryption and MAC filtering. A couple of questions:
>>
>> 1. I have read that WEP is broken. Is it really? Do I want to use
>> something else? One of the laptops that will be connecting is a few
>> years old and it's built in wireless supports WEP 128 but not other
>> encryption as far as I can tell.
>>
>> 2. MAC filtering seems to me to be a great idea. Adds a layer of
>> security. If WEP is enabled, is the MAC address of the laptop also
>> encrypted? Does it matter?
>>
>> 3. Thinking out loud now. If my laptop is busy looking for wireless
>> access points, and transmitting it's MAC address in the clear. Assume an
>> attacker learns my MAC address. Then I get to my office and log on to
>> the Wireless Access Point. It requires that I send the MAC encrypted.
>> Does the attacker have a crib that will them to pry open WEP 128? If
>> so, am I better off with just WEP and not MAC filtering?
>>
>>
>> Thanks for all your thoughts,
>>
>> John
>
>
> Your security policies should match the security risk you are willing to
> live with. In other words, do you have sensitive date? Critical data?
> Analyze what you have on your computer and how "sensitive" it really is.
> WEP is a very weak "encryption" protocol and I have read, but not done it
> yet, that it can be broken in minutes. MAC filtering is moot and really
> gets you little added security....
>
> If your data is that important, ie you have SS#, credit card info, etc,
> etc
> Just use some cat5....or look into some of the new wireless protocols.
>
> Imhotep
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