Linux Vs Windows in security

[cj]

Bart Silverstrim wrote:
> Derek Broughton wrote:
>   
>> Cesar Augusto Suarez wrote:
>>     
>
>   
>>> In linux, i´ve seeing thats the same, with the live cd, if we have
>>> physical access to the pc, we can change root access just by typing a new
>>> pass.
>>>
>>> Then, where is  really the security ?
>>>       
>> Of course.  How would you propose to make a system truly secure if a hacker
>> has physical access to the machine?
>>     
>
> 1) Buy big plastic storage tub from WalMart
> 2) place computer in tub
> 3) pour cement into tub, enveloping computer
> 4) Anchor cement block to floor with bolts
>   
How are you going to get any airflow? you know concrete holds in heat
--cj

> Just make sure you're not planning on moving your work area in the near 
> future.  Oh, and the floor must be sturdy enough to hold a giant cement 
> block.  Can't emphasize how embarrassing it is to have one of those 
> crash through your floor.  Whoo boy!
>
>   
>> If I encrypt my filesystems, nobody with a liveCD can read the filesystem,
>> but even then there must be something either in hardware or software that
>> provides the key to decrypt that filesystem, which would be available to a
>> user with physical access.
>>     
>
> Like...a password in your memory?
>
> Proper brute-forcing of an encryption scheme should take hundreds of 
> years, if not longer, to break, unless you are being hunted by the NSA 
> (in which case you have far bigger problems already) or you like using 
> your birthday or the word "god" as a password.  It would be far easier 
> to torture you for the password.
>
>