data security

[Moish]

Meir Michanie wrote:
> He asked about what to do with his broken harddisk.
> 
>> ----- Original Message -----
>> Subject: Re: data security
>> From: Erez D <erez0001 at gmail.com>
>> To: "Meir Michanie" <meirm at riunx.com>
>> CC: "linux-il" <linux-il at cs.huji.ac.il>
>> Date: 04-02-2009 13:47
>>
>>
>> On Wed, Feb 4, 2009 at 1:10 PM, Meir Michanie <meirm at riunx.com> wrote:
>>
>>> What about  /etc/shadow  and other sensitive files? so no encrypting
> your
>>> root filesystem is also an issue.
>>>
>>> What if you put the hard drive under a very strong magnetic field?
>>
>> and what if your laptop is stolen ...
>>
>>
>>>
>>>> ----- Original Message -----
>>>> Subject: Re: data security
>>>> From: Shachar Shemesh <shachar at shemesh.biz>
>>>> To: "Orr Dunkelman" <orr.dunkelman at gmail.com>
>>>> CC: "linux-il" <linux-il at cs.huji.ac.il>,"Erez D" <erez0001 at gmail.com>
>>>> Date: 04-02-2009 13:02
>>>>
>>>>
>>>> Orr Dunkelman wrote:
>>>>>
>>>>> I guess that the configuration may still reveal some secrets (like
>>>>> which hosts are important enough to be in /etc/hosts), but it's
> better
>>>>> than nothing...
>>>>>
>>>>>
>>>> On my laptop, "most" of the data is not encrypted. I discovered that
>>>> compiling inside an encrypted partition is horrendously slow. Still, I
>>>> do it if the data is sensitive (e.g. - all data and sources belonging
> to
>>>> clients automatically goes there). I also keep certain important stuff
>>>> there (my email client folder, my documents folder, browser history
>>>> etc.) This is fairly easily achieved with symbolic links.
>>>>
>>>> Also, keep in mind that some things are automatically generated but
>>>> still sensitive. The most important examples are my bash history file
> (
>>>> .bash_history under your home directory) and the database for the
>>>> "locate" command (/var/cache/locate). The former shows a history of
> the
>>>> commands I type, and the later has a list of all files on the system,
>>>> including those inside the encrypted directory.
>>>>
>>>> This configuration is more dangerous, no doubt, as it is entirely
>>>> possible that I have missed something (do share if you think of
>>>> anything). It works pretty well for me, however.
>>>>
>>>> Shachar

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Moish