[nSLUG] Security in virtual machines

Rory rory at unixism.org
Thu Sep 11 14:11:30 ADT 2014

A VM will never quite achieve parity with a dedicated box for security. 
A dedicated box will only share an ethernet network with the host while 
a VM shares many other resources.

However, you can get close by treating the VM as if it is in a hostile 
environment. Tight firewall rules, full disk encryption, encrypted 
communication and careful use of applications and websites all go a long 
way to making it very difficult to compromise from the host machine.

So, yes, you can set the barrier to compromise pretty high with a VM and 
therefore gain some security compared with using the same host you use 
for all computing.

On 14-09-11 01:20 PM, Gerald Ruderman wrote:
> I am using VirtualBox to run some virtual machines. Wanting more
> security for my financial tasks I wonder how much I would gain if I
> create a virtual machine that is only used for financial tasks. What
> would IO gain if I had a dedicated computer I only used for money matters.

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