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Results tagged with virtualization
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user 655
Virtualization is the creation of a virtual (rather than actual) version of something, such as an operating system, a server, a storage device or network resources.
5
votes
Accepted
What are the security precautions taken to ensure a virtualized domain can't compromise its ...
Other differences can be made on the means by which virtualization is enforced (i.e. how the hypervisor can trap kernel code). … There is a whole paraphernalia of terms on the subject (virtualization, paravirtualization, emulation, simulation, hypervisor...) which is not completely consensual, and often quite byzantine. …
- 329k
9
votes
How will microvirtualisation change the security field, if at all?
Isolating the browser in a specific jail that it cannot escape is meant to contain damage: if the browser is hijacked, at least the attacker will not obtain immediate access to the rest of the machine …
- 329k
26
votes
Accepted
Is a VM only as secure as its host?
The host machine can impact and alter whatever it wishes in the guest VM. The host can read and write all the memory of the guest, stop and restart it on a per-instruction basis, and, by nature, sees …
- 329k
4
votes
Memory Dumping - Cause for concern in Virtualization?
The host can certainly grab a copy of the complete state of a VM, including what the VM sees as RAM. This is called a "snapshot" and it is a desirable feature.
You can imagine the host system as the …
- 329k
2
votes
Accepted
VMWare Fusion Encryption and Snapshotting
I find very little detail on what kind of encryption they use; at best, I find on this page that VMWare Fusion 4:
[...] incorporates advanced encryption standard (AES 128-bit) technology to allow …
- 329k
2
votes
Using a VM to access internet when malware blocks internet access?
The way a computer "accesses Internet" is through a tower of systems, each using the one underneath. Schematically, it works like this:
An application, let's say Internet Explorer, decides to access …
- 329k
4
votes
Accepted
Are the Trends of Type II Hypervisors and Newer Applications a Security Issue?
However, note that these "enablers" all apply to desktop-related virtualization. … Most users of virtualization on their desktop systems do not do that for security, but for functionality: typically, being able to run Windows applications on a Linux or MacOS X system. …
- 329k
3
votes
Setting up home lab with Snort and Vyatta - looking for resource recommendations or advice
If you set the network type to your virtual machines to Internal Network with the same internal network name (an arbitrary string of your choosing, but the same for all machines), and then configure ( …
- 329k
1
vote
Accepted
Building an VM with Vagrant and connecting with ssh+2FA to protect a bitcoin wallet?
Authentication is about making sure that the peer (say, a connecting client) is who they claim to be; this is the normal first step which enables authorization, i.e. the process of deciding whether th …
- 329k