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14
votes
5answers
2k views

Is it possible to prevent a physical attack on full disk encryption?

I've been researching into some methods to ensure that disk encryption keys can't be stolen, and one that I've come across is called TRESOR. With this kernel patch, you can create a partition that is ...
2
votes
2answers
1k views

Security and Veracrypt [closed]

I have a few questions about Security and Veracrypt and hope you can clarify it for me. I don't want the VeraCrypt hidden volume I created to be damaged. If I mount the hidden volume and transfer ...
1
vote
1answer
132 views

Full disk encryption and disk removal

Suppose a full-disk-encrypted computer with hot-swappable hard drives is powered on (i.e. decrypted at boot by a trusted user) but is screen-locked. In such a case, if an attacker with physical ...
4
votes
1answer
147 views

What medium for storing full-disk encryption keys is easy-to-use as well as easy-to-destroy?

If I were to frequently work on sensitive data on a LUKS partition and wanted to be able to quickly destroy the keys to it, I figure it would make sense to— encrypt that partition with a key file, ...
-4
votes
3answers
193 views

Is there a way to secure a Linux machine in a way that no one else (but me) can access its contents? [closed]

And I mean, even if someone tries rooting with a Live CD, even if one takes the HDD away and plug it in somewhere else, etc... I want to be able to give a client a machine with a service running, but ...
0
votes
2answers
73 views

Can I add a new user to an unencrypted Windows installation from a Windows installation disk?

I recall hearing this before, the ability to boot up a Windows PC with an unencrypted hard drive using an installation disk/usb, and use the command line utility on the Windows installation disk to ...
2
votes
0answers
59 views

How do I start securing a virtual appliance to avoid manipulation? [closed]

We have created an amateur software product related with monitoring and management of specific services. It has been made in Python and runs a web service as frontend to show the data in a nice way ...
6
votes
7answers
10k views

Physical computer security, how to disable USB ports when the computer is 'locked'?

Lets say my PC & server is in an environment where a theoretical attacker has physical access to the machine while I'm not there. Now the data is encrypted on the hard drive with TrueCrypt. ...
4
votes
1answer
935 views

Does setting a firmware password add security if FileVault 2 is enabled?

On an up-to-date OS X computer with FileVault 2 (whole-disk encryption, minus the recovery partition), is any security gained by setting a firmware password, as well?